'Would had had' is an impossible structure.
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Please tell me where I can use the "would had had + something" constructionThe only form possible after a modal verb is a bare infinitive. This should be would have had.
... no matter what they would had done ...
But he would had done enough to win the Commonwealth Games in 1986.
These are typographical errors or errors of ignorance; 'would had' + verb is impossible in acceptable grammar, Believer. A good illustration of why Google hits should be in the 6-digit range before they are considered generally acceptable.