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