Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thap van chi snippets" » "tap van chi snippets", "thai van chi snippets", "thao van chi snippets", "thap van chien snippets", "thap luan chi snippets", "thap 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: (((("thap 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: (((("thap van chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thap van chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thap van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.