Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim cho cao snippets" » "kim chi cao snippets", "kim ho cao snippets", "hiem cho cao snippets", "kim cho cac snippets", "kim cho dao snippets", "kim cho can 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: (((("kim cho 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: (((("kim cho cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim cho cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim cho cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.