Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
manh trung » manh tung, thanh trung, manh hung
trung tuan » trung thanh, trung tam, tran tuan
tuan nhung » quan nhung, tuan hung, thuat nhung
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, dieu hanh, hien hanh
nhung cau » chung cu, nhung bai, nhu cau
cong ban » cong bang, cong san, cong tan
hang cau » hang dau, hang ca, nang cao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (hieu nganh)) - manh trung tuan nhung cong ban ((hang cau) OR (nhung cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (hieu nganh)) - manh trung tuan nhung cong ban ((hang cau) or (nhung cau))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) OR (hieu nganh)) - manh trung tuan nhung cong ban ((hang cau) or (nhung cau))*.