Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tach » chiet tach, chieu sach, chiu trach
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
gian cau » gian chau, gian cac, gian cu
gian cam » gian cham, gian cac, gia cam

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