Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xin li hoi snippets" » "xin liu hoi snippets", "jin li hoi snippets", "xin ling hoi snippets", "xin lai hoi snippets", "xin li thoi snippets", "xin li hoc 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: (((("xin li hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xin li hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xin li hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xin li hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.