Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc tu hoi snippets" » "thuoc tru hoi snippets", "thuoc tai hoi snippets", "thuoc cuc hoi snippets", "thuoc thu hoi snippets", "thuoc tu choi snippets", "thuoc tu hoai 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: (((("thuoc tu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc tu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc tu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc tu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.