Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam san minh snippets" » "lam van minh snippets", "lam ban minh snippets", "lam dan minh snippets", "lam sang minh snippets", "lam son minh snippets", "luan san minh snippets", "lam san minh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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