Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham ky cung snippets" » "pham duy cung snippets", "pham xay cung snippets", "pham ay cung snippets", "pham ky cong snippets", "pham ky vung 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: (((("pham ky cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham ky cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("pham ky cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.