Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
san thanh » ban thanh, van thanh, son thanh
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac

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 (((doc hieu) or (hoc hien)))) tinh - thanh tung cua thong cong san thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((doc hieu) OR (hoc hien)))) tinh - thanh tung cua thong cong san thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doc hieu) or (hoc hien)))) tinh - thanh tung cua thong cong san thanh cau*.