Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"loai cua he snippets" » "lai cua he snippets", "loai ca he snippets", "loai va he snippets", "loai cua che snippets", "loai cua te snippets", "loai cua le 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 cua he 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 cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loai cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loai cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.