Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi quan che snippets" » "thi quan che snippets", "phap quan che snippets", "phan quan che snippets", "phi quan he snippets", "phi han che snippets", "phi quan ha 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: (((("phi quan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi quan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi quan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi quan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.