Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hanh trang » thanh trung, canh tranh, hanh trinh
trang chua » tranh chua, trong chuan, trang phuc
hieu lang » chieu sang, nhieu tang, hieu van
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((hieu lang) or (hieu quang)) - hanh trang chua dong cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((hieu lang) OR (hieu quang)) - hanh trang chua dong cong dan than cao*.