Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh vu cho snippets" » "thanh va cho snippets", "thanh ve cho snippets", "thanh tu cho snippets", "thanh vu cao snippets", "thanh cu cho snippets", "thanh uu cho 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: (((("thanh vu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thanh vu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh vu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh vu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.