Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
thanh chau » thanh cha, thanh cham, thanh chu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh cua » trinh cua, sinh cua, tinh chat
ban cong » bang cong, van cong, phan cong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((trieu tinh) or (hieu quang)) - hanh tinh cua ban cong dan ((thanh chau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((trieu tinh) OR (hieu quang)) - hanh tinh cua ban cong dan ((thanh chau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ho ((trieu tinh) or (hieu quang)) - hanh tinh cua ban cong dan ((thanh chau) or (toan cau))*.