Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao tan cau snippets" » "cao tang cau snippets", "cao tai cau snippets", "cao van cau snippets", "cao toan cau snippets", "cao tan ca 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 tan cau 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 tan cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao tan cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao tan cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.