Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu keo chi snippets" » "lieu khoa chi snippets", "lien ket chi snippets", "hieu kem chi snippets", "lieu ke chi snippets", "lieu keo cho snippets", "lieu kien chi 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: (((("lieu keo chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu keo chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu keo chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu keo chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.