Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi nhom cac snippets" » "voi nhom cac snippets", "doi nam cac snippets", "doi nhan cac snippets", "doi nhom coc snippets", "doi nom cac snippets", "doi nhom chuc 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: (((("doi nhom cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi nhom cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi nhom cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi nhom cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.