Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua nhan cau snippets" » "ca nhan cau snippets", "cua ngan cau snippets", "cua nha cau snippets", "cua nhanh cau snippets", "cua phan cau snippets", "cua nhan sau 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: (((("cua nhan 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: (((("cua nhan cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua nhan cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua nhan cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.