Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"bac hoc van snippets" » "bai hoc van snippets", "bac ho van snippets", "bac hoc dan snippets", "bac hoc va snippets", "bac hoc vat snippets", "bac hoc van slippers"

Try widening your search to All Fields.

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