Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 (hoc thieu)) xanh - thanh trung cua thuong cong tan ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - thanh trung cua thuong cong tan ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - thanh trung cua thuong cong tan ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - thanh trung cua thuong cong tan ((than cau) OR (phan cau))*.