Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi su cap snippets" » "khoi suc cap snippets", "khoi so cap snippets", "khoi su cao snippets", "khoa su cap snippets", "hoi su cap snippets", "thoi su cap 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: (((("khoi su cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi su cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi su cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi su cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.