Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau quan che snippets" » "cau qua che snippets", "cao quan che snippets", "ca quan che snippets", "cau quan he snippets", "cau han che snippets", "cau 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: (((("cau 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: (((("cau quan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau quan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau quan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.