Perhaps you should try some spelling variations:
thanh chuong » thanh huong, thanh cong, nhanh chong
chuong cua » chuong chua, huong cua, chung cua
doi chieu » doc hieu, doi chi, mot chieu
cua thong » cua thuong, cua khong, cua tong
thong tac » thong cac, tuong tac, thong tai
nhung cau » chung cu, nhung bai, nhu cau
thanh nha » thanh nhan, thanh ha, thanh nga
ho chieu » theo chieu, hoc thieu, mot chieu

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)) tinh - thanh chuong cua thong thong tac ((nhung cau) or (thanh nha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - thanh chuong cua thong thong tac ((nhung cau) OR (thanh nha)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) tinh - thanh chuong cua thong thong tac ((nhung cau) or (thanh nha))*.