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