Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu hoan ben snippets" » "thi hoan ben snippets", "thu hoach ben snippets", "thu ha ben snippets", "thu hoa ben snippets", "thu hoang ban snippets", "thu hoang yen snippets", "thu hoan ben 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: (((("thu hoan ben snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hoan ben snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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