Perhaps you should try some spelling variations:
tuong quan » truong quan, thong quan, luong quan
hien manh » hien hanh, tien manh, hien nhanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tung qua » dung qua, trung quan, duong qua
cong ban » cong bang, cong san, cong tan
ban hang » ngan hang
hang cau » hang dau, hang ca, nhung cau

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