Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"theo co cac snippets" » "cheo co cac snippets", "theo bo cac snippets", "theo cong cac snippets", "theo cho cac snippets", "theo ca cac snippets", "theo co cau 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: (((("theo co cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("theo co cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( theo co cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("theo co cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.