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
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((ha tinh) or (cuu tinh)) - thanh tung cua thong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((ha tinh) OR (cuu tinh)) - thanh tung cua thong cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((ha tinh) or (cuu tinh)) - thanh tung cua thong cong tac than cau*.