Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chon cuu anh snippets" » "chon chu anh snippets", "con cua anh snippets", "cho chu anh snippets", "chon cuu thanh snippets", "chon cuu tinh snippets", "chon cuu nang snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("chon cuu anh snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("chon cuu anh snippets"))) OR ("locating bug core snippets")).
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