Perhaps you should try some spelling variations:
thieu lang » hieu lang, thieu khang, thieu quang
cuong cong » cong cong, luong cong, duong cong
tan khanh » tran khanh, van khanh, dan khanh
khanh cap » hanh cap, khan cap, hanh cac
tra xuan » tran xuan, tra quan, tran tuan
tran van » luan van
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu lang - thanh ((tra xuan) or (tran van)) cuong cong tan khanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu lang - thanh ((tra xuan) OR (tran van)) cuong cong tan khanh cap*.