Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu lai long snippets" » "khu hai long snippets", "khu lai dong snippets", "khu lai hong snippets", "khau lai long snippets", "khi lai long snippets", "chuc lai 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 long 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 long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu lai long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu lai long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.