Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong toan » phong toan, thong than, thong tran
hien manh » hien hanh, hieu manh, hien nhanh
tien manh » tien anh, tien thanh, tieng anh
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien manh) or (tien manh)) - thanh trung tuan thong thong toan ((thanh cau) OR (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (tien manh)) - thanh trung tuan thong thong toan ((thanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) or (tien manh)) - thanh trung tuan thong thong toan ((thanh cau) OR (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) or (tien manh)) - thanh trung tuan thong thong toan ((thanh cau) OR (nhanh cau))*.