Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc hang tao snippets" » "hoc hanh tao snippets", "hoc bang tao snippets", "hoc han tao snippets", "hoc hang tai snippets", "hoc sang tao snippets", "hoc nang tao snippets", "hoc hang tao 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: (((("hoc hang tao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc hang tao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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