Perhaps you should try some spelling variations:
"kha trinh java snippets" » "qua trinh java snippets", "ha tinh java snippets", "tra trinh java snippets"
"cong cong coc snippets" » "cong dong coc snippets", "trong cong coc snippets", "dung cong coc snippets", "cong cong cuoc snippets", "cong cong cac snippets", "cong cong 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: (((("kha trinh java snippets") or ("cong cong coc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha trinh java snippets") OR ("cong cong coc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kha trinh java snippets ) or ( cong cong coc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kha trinh java snippets") or ("cong cong coc snippets"))) or ("locating bug code snippets"))*.