Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi cham cau snippets" » "thi cham cau snippets", "khi tham cau snippets", "chin cham cau snippets", "khi cham cuu snippets", "khi chim cau snippets", "khi phan cau 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: (((("khi cham 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: (((("khi cham cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi cham cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi cham cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.