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