Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu vu hoat snippets" » "khu va hoat snippets", "khu ve hoat snippets", "khu vu hoan snippets", "khu vuc hoat snippets", "khu du hoat 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 vu hoat 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 vu hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu vu hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu vu hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.