Perhaps you should try some spelling variations:
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
anh quang » anh xquang, anh quan, nhanh quang
quang cua » quan cua, quang tuan, quang huy
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
tuan cau » toan cau, quan cau, tuan cu
quan ha » quan he

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) or (hien hanh)) - anh quang cua dung cong san ((tuan cau) or (quan ha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - anh quang cua dung cong san ((tuan cau) OR (quan ha)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - anh quang cua dung cong san ((tuan cau) or (quan ha))*.