Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu dao ke snippets" » "lieu nano ke snippets", "lieu va ke snippets", "lieu tai ke snippets", "lieu do ke snippets", "lieu dao ve snippets", "lieu dao le 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 dao ke 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 dao ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu dao ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu dao ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.