Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao va hoa snippets" » "cao van hoa snippets", "tao va hoa snippets", "co va hoa snippets", "cao va hoc snippets", "cao ma hoa 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: (((("cao va hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao va hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao va hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao va hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.