Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lan dong bac snippets" » "lang dong bac snippets", "luan dong bac snippets", "van dong bac snippets", "lan dong bang snippets", "lan dong luc snippets", "lan dong hoc snippets", "lan dong bac 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: (((("lan dong bac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan dong bac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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