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