Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam nham cuc snippets" » "nam nhat cuc snippets", "nam cham cuc snippets", "nam nam cuc snippets", "nam nham muc snippets", "nam pham cuc snippets", "nam nhan cuoc 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: (((("nam nham cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam nham cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam nham cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam nham cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.