Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van chi don snippets" » "van chien don snippets", "luan chi don snippets", "van chat don snippets", "van chi dan snippets", "van chi con snippets", "van chiu dong 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: (((("van chi don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van chi don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van chi don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van chi don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.