Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cai tre snippets" » "thi mai tre snippets", "thi hai tre snippets", "thi dai tre snippets", "thi cai tri snippets", "thi cai tien snippets", "thi choi tre 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 cai tre 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 cai tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cai tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cai tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.