Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap cay cao snippets" » "nhap ca cao snippets", "nham cay cao snippets", "nhanh cay cao snippets", "nhap chay cao snippets", "nhap cay co snippets", "nhap tay cao 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: (((("nhap cay cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap cay cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap cay cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap cay cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.