Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao dang cau snippets" » "cao dang cau snippets", "nam dang cau snippets", "nap dang cau snippets", "nao hang cau snippets", "nao bang cau snippets", "nao dang mau 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: (((("nao dang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao dang cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao dang cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao dang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.