Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tao cho viec snippets" » "tao cuoi viec snippets", "tao co viet snippets", "tao tho viet snippets", "tao cao viec snippets", "cao cho viec snippets", "dao cho viec snippets", "tao cho viec 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: (((("tao cho viec snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao cho viec snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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