Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi su choi snippets" » "khoi tu choi snippets", "khoi san choi snippets", "khoa su choi snippets", "hoi su choi snippets", "thoi su 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: (((("khoi su 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: (((("khoi su choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi su choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi su choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.