Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
chau tinh » cuu tinh, ha tinh, cua tinh
dang cong » dung cong
lua dang » cua dang, lua sang, luan nang
cong tan » cong tac, cong san, cong thanh
thi lua » thi luan, thi dua, thi cua
tan phi » tac phi, tan phu, toan phai
phi phi » chi phi, phi thi, thi phi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu lang) or (chau tinh)) - hoang thi lua dang cong tan phi phi~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (chau tinh)) - hoang thi lua dang cong tan phi phi.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) or (chau tinh)) - hoang thi lua dang cong tan phi phi*.