Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu lai lon snippets" » "khau lai lon snippets", "khi lai lon snippets", "chuc lai lon snippets", "khu lai long snippets", "khu bai lon snippets", "khu hai long 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: (((("khu lai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu lai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu lai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu lai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.