Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon tu choi snippets" » "lon su choi snippets", "lon tu chi snippets", "lon tu chon snippets", "mon tu choi snippets", "con tu choi snippets", "ton tu choi 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: (((("lon tu choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon tu choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon tu choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon tu choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.