Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dao hai hau snippets" » "dao thai hau snippets", "dai hai hau snippets", "do hai hau snippets", "dao hai chau snippets", "dao dai hau snippets", "dao hai hai snippets", "dao hai hau 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: (((("dao hai hau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao hai hau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dao hai hau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.