Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua danh cau snippets" » "cua doanh cau snippets", "cua dang cau snippets", "cua dan cau snippets", "cua danh dau snippets", "cua danh ca snippets", "cua danh hau 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 danh 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 danh cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua danh cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua danh cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.