Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao duc dong snippets" » "cao duoc dong snippets", "cao duc dung snippets", "cao duc cong snippets", "dao duc dong snippets", "cao suc dong snippets", "giao duc dong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cao duc dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao duc dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cao duc dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.