With Yahoo! Search Marketing system, a keyword has three forms: (1) text: "fancy red cars", (2) canonicalSearchText: "car fancy red" and (3) phraseSearchText: "fancy red car".

The canonicalSearchText form is determined by the Yahoo! system automatically and must be unique within an ad group. If you submit two keywords that both resolve the same canonicalSearchText form, the second submission will be rejected as a duplicate.

For example, keywords "fancy red cars" and "fancy red car" have the same canonicalSearchText form: "car fancy red". If keyword "fancy red car" is the second submission, it will be rejected.

Yahoo FAQ

	I am using the trial version of the program, when i set up a Yahoo Panama account in Bid Max, i can not see any of my keywords, but i can see my Campaings and Adgroups. Why can't i see my keywords?
	Does PPC BidMax support Yahoo! Search Marketing?
	What information is given in "Forecast data" and what is it used for in Bid Maximizer ?
	How does the "Bidding Algorithm" works for Yahoo! in Bid Max?
	Bid Amount and Ad Quality will Determine an Ad’s Rank in Search Results Beginning February 5 2007 in the U.S.
	Why have my keywords have been rejected by Yahoo! ?
	What is Account ID and Master Account ID and where can i find these when i am creating Yahoo! Search Marketing Account under PPC Bix Max 5.0 or above ?
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