Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"than hoc de snippets" » "toan hoc de snippets", "thai hoc de snippets", "than doc de snippets", "than hoc he snippets", "than hoc te snippets", "than hoc do snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("than hoc de snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than hoc de snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
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