Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, hien hanh
trung pho » truong pho, trung khoa, trung phan
pho thong » he thong
thanh cha » thanh ha, thanh nha, thanh phan
cong ban » cong bang, cong san, cong tan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) OR (dieu hanh)) - thanh trung pho thong cong ban ((thanh cha) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (dieu hanh)) - thanh trung pho thong cong ban ((thanh cha) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (dieu hanh)) - thanh trung pho thong cong ban ((thanh cha) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) OR (dieu hanh)) - thanh trung pho thong cong ban ((thanh cha) or (than cap))*.