Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » ho chieu, theo chu, thi chieu
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
hang cua » mang cua, hang ca, huong cua
than cau » toan cau, phan cau, than cap
han cua » nhan cua, than cua, hanh cua

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

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