Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi cay cao snippets" » "khi day cao snippets", "khi gay cao snippets", "khi xay cao snippets", "khi chay cao snippets", "khi cay co snippets", "khi tay cao 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 cay cao 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 cay cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi cay cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi cay cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.