Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau nhap so snippets" » "khu nha so snippets", "thu nhap so snippets", "khau nhat so snippets", "khau phap so snippets", "khau nha so 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: (((("khau nhap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khau nhap so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau nhap so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau nhap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.