Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien manh » tien manh, hieu manh, hien nhanh
hien hanh » dieu hanh
cua trong » cua truong, cua trung, qua trong
dong bang » dong san
tung cua » trung cua, tuong cua, dung cua
cong ban » cong bang, cong san, cong tan
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 (hien hanh)) - thanh tung cua trong ((cong ban) or (dong bang)) hang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (hien hanh)) - thanh tung cua trong ((cong ban) OR (dong bang)) hang cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) or (hien hanh)) - thanh tung cua trong ((cong ban) or (dong bang)) hang cau*.