Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tran tuan » tran xuan, tran quang, tran thanh
trung cap » truong cao, trung tam
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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 xanh - hanh ((tran tuan) or (trung cap)) nhung cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((tran tuan) OR (trung cap)) nhung cong ban than cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((tran tuan) or (trung cap)) nhung cong ban than cau*.