Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kha hoa chi snippets" » "ha hoa chi snippets", "nha hoa chi snippets", "khanh hoa chi snippets", "kha hoa phi snippets", "kha hoa cho snippets", "kha hoa hi 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: (((("kha hoa chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha hoa chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kha hoa chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kha hoa chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.