Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cua lon snippets" » "thai cua lon snippets", "thi cuc lon snippets", "tri cua lon snippets", "thi cua con snippets", "thi cua hon snippets", "thi cua loc 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: (((("thi cua lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi cua lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cua lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cua lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.