Perhaps you should try some spelling variations:
"cong cuoc cau snippets" » "song cuoc cau snippets", "trong cuoc cau snippets", "luong cuoc cau snippets", "cong cuoc cach snippets", "cong nuoc chau snippets", "cong cuoc chay snippets"
"dung java java snippets" » "dung va java 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: (((("cong cuoc cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong cuoc cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cuoc cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cuoc cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.