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