Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc su dot snippets" » "thuoc tu dot snippets", "thuc su dot snippets", "thuoc so dot snippets", "thuoc su det snippets", "thuoc su doi 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: (((("thuoc su dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc su dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc su dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc su dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.