Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chung v hoi snippets" » "chung v code snippets", "chung vi hoi snippets", "chung ve hoi snippets", "chuong v hoi snippets", "chung va hoi snippets", "chung vu hoi snippets", "chung o hoi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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