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