Perhaps you should try some spelling variations:
cong quang » luong quang, thong quang, duong quang
hien nhanh » hien hanh, thien thanh, tien thanh
quang toan » quang tuan, quang tran, quang doan
hien ngan » hiem ngan, vien nganh, hieu nganh
dang cong » dung cong
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cua dang » cua cong, cua ban
toan ban » van 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) or (anh dang)) cua dang cong quang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien ngan) OR (hien nhanh)) - ((anh tang) OR (anh dang)) cua dang cong quang toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien ngan) or (hien nhanh)) - ((anh tang) or (anh dang)) cua dang cong quang toan ban*.