Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, mot chieu
cua nhung » va nhung
thanh cap » thanh lap, than cap, thanh ca
ho chieu » theo chieu, hoc thieu, mot chieu
tung cua » trung cua, tuong cua, dung cua
hanh cap » hanh cac, hanh cat, hanh cad

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chieu)) tach - thanh tung cua nhung cong thanh ((thanh cap) OR (hanh cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tach - thanh tung cua nhung cong thanh ((thanh cap) OR (hanh cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) tach - thanh tung cua nhung cong thanh ((thanh cap) OR (hanh cap))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) tach - thanh tung cua nhung cong thanh ((thanh cap) OR (hanh cap))*.