Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
khi thanh » thi thanh, chi thanh, khe thanh
thanh van » thanh san, thanh toan, thanh phan
manh toan » thanh toan, anh tuan, tinh toan
tranh va » tranh van, trang va, trinh va
van toan » van tuan, van tan, van thanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi thanh - canh ((tranh va) or (thanh van)) nhung cong ((manh toan) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi thanh - canh ((tranh va) OR (thanh van)) nhung cong ((manh toan) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi khi thanh - canh ((tranh va) or (thanh van)) nhung cong ((manh toan) or (van toan)) cau*.