Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac
co lieu » cot lieu, so lieu, cu lieu
co hieu » cao hieu, doc hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co lieu) OR (co hieu)) tinh - thanh tung cua nhung cong san than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((co lieu) OR (co hieu)) tinh - thanh tung cua nhung cong san than cap*".