Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"gian van doi snippets" » "gian van code snippets", "giang van doi snippets", "gian dan doi snippets", "gian lan doi snippets", "gian van loi snippets", "gian van noi snippets", "gian van do 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: (((("gian van doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian van doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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