Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tinh cua » trinh cua, sinh cua, tinh chat
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan tap » toan tap, tuan tai, tuyen tap
luat » luan, xuat

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 ((trinh luat) or (tinh cua)) nhung cong san tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((trinh luat) OR (tinh cua)) nhung cong san tuan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((trinh luat) or (tinh cua)) nhung cong san tuan tap*.