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
tuan bang » tuan dang, tuan hoang, thuat bang
anh mang » hanh mang, anh bang, anh dang
mang cua » manh cua, dung cua, ban cua
ban cong » bang cong, van cong, phan cong

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