Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chiet tach » chieu sach
tranh cua » doanh cua, manh cua
tan tranh » tan tran, can tranh, lan tranh
tranh ban » trinh ban, tranh hang, tranh luan
ho chiet » ho chieu, ho thiet, hoc thiet
cong tan » cong tac, cong san, cong thanh
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - canh ((tranh cua) or (ban cua)) nhung cong tan tranh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh ((tranh cua) OR (ban cua)) nhung cong tan tranh ban*.