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"
"trac hoc du snippets" » "toan hoc du snippets", "thai hoc du snippets", "toc hoc du snippets", "trac hoc duc snippets", "trac hoc dau snippets", "trac hoc dua snippets"

Try widening your search to All Fields.

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