Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi sach cua snippets" » "thi sach code snippets", "thi bach cua snippets", "thu sach cua snippets", "theo sach cua snippets", "thi cach cua snippets", "thi mach cua snippets", "thi sac 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: (((("thi sach 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: (((("thi sach cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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