Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"bac co trinh snippets" » "bac co tranh snippets", "bac cong trinh snippets", "bac tao trinh snippets", "bac cao trinh snippets", "bac bo trinh snippets", "cac co trinh snippets"

Try widening your search to All Fields.

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