Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"che ho cua snippets" » "che ho code snippets", "che do cua snippets", "he ho cua snippets", "che khoa cua snippets", "che hoc cua snippets", "che hoi cua snippets", "che hoa cua 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: (((("che ho cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che ho cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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