Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
anh quan » anh tuan, ban quan, anh nhan
quan cau » quang cao, toan cau, quan 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 xanh - canh tranh cua ((nhung cong) or (((hang cong) or (dang cong)))) anh quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh tranh cua ((nhung cong) OR (((hang cong) OR (dang cong)))) anh quan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh tranh cua ((nhung cong) or (((hang cong) or (dang cong)))) anh quan cau*.