Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bac hoi cham snippets" » "bac hoi code snippets", "bac hoi chuc snippets", "bac hoi chu snippets", "bac toc cham snippets", "bac ho cham snippets", "bac hoc cham snippets", "sach hoi cham snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("bac hoi cham 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 hoi cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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