Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi cuu hoi snippets" » "thi cuu code snippets", "thi cuc hoi snippets", "thi huu hoi snippets", "thi cu hoi snippets", "thi cau hoi snippets", "thi cua hoi snippets", "thi cuu hoc 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 cuu hoi 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 cuu hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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