Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu sang » chieu sach, chieu xanh, nhieu tang
tran thanh » ban thanh, van thanh, quan thanh
hieu lang » hieu quang, nhieu tang, hieu van
trang cua » tranh cua, tang cua, trung cua
cong tran » cong tan, cong tuan, cong toan
thanh cap » thanh lap, hanh cap, than cap
ban cong » bang cong, van cong, phan cong

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu lang) OR (chieu sang)) - hanh trang cua ban cong tran thanh cap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu lang) OR (chieu sang)) - hanh trang cua ban cong tran thanh cap*.