Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac phap dot snippets" » "tac pham dot snippets", "tac phat dot snippets", "tay phap dot snippets", "tac phap doc snippets", "tac phap dong snippets", "tac phap luot 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: (((("tac phap dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac phap dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac phap dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac phap dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.