Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"dan hoc mon snippets" » "van hoc mon snippets", "dan toc mon snippets", "dai hoc mon snippets", "dan hoc moi snippets", "dan hoc mot snippets", "dan hoc cong snippets"

Try widening your search to All Fields.

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