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