Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh mang » nhanh mang, hanh trang, nhanh lang
dong cong » duong cong, dung cong, dang cong
hanh han » hanh nhan, hanh phan, hanh san
cao dong » cao dang, lao dong, cao cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien hach) or (hieu lang)) - ((hanh mang) or (hanh han)) cao dong cong dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien hach) OR (hieu lang)) - ((hanh mang) OR (hanh han)) cao dong cong dan phan cac*.