Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"loai cau de snippets" » "loai cay de snippets", "loai ca de snippets", "loai sau de snippets", "loai cau den snippets", "loai cau do snippets", "loai cuu de 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: (((("loai cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loai cau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loai cau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loai cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.