Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cac don snippets" » "thi cuc don snippets", "tai cac don snippets", "thi tac don snippets", "thi cac dan snippets", "thi cac mon snippets", "thi cac doanh 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 cac don 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 cac don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cac don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cac don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.