Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, mot chieu
cong tuan » cong tan, cong luan, cong thanh
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
cong tac » cong ty
tac luan » tac quan, tao luan, tang luan
luan thu » luan thuc, tuan thu, lan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - thanh cong tuan dang cong tac luan thu~.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh cong tuan dang cong tac luan thu*.