Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
cong quang » luong quang, thong quang, duong quang
quang tuan » quang thanh, quan luan, quang cua
hien ngan » hiem ngan, vien nganh, hieu nganh
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
ban cong » bang cong, van cong, phan cong
tuan ban » tuan bang, toan ban, luan ban

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 ngan) or (hien nhanh)) - anh tang cua ban cong quang tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien ngan) OR (hien nhanh)) - anh tang cua ban cong quang tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien ngan) or (hien nhanh)) - anh tang cua ban cong quang tuan ban*.