Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"va tham doc snippets" » "va tham code snippets", "va than doc snippets", "va tham do snippets", "va tham nuoc snippets", "van tham doc snippets", "va cham doc snippets", "va thanh doc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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