Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
tran bai » toan bai, tran hai, trang tai
tran van » luan van

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 - canh tranh cua ((tong cong) or (cong cong)) tan ((tran bai) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh tranh cua ((tong cong) OR (cong cong)) tan ((tran bai) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh tranh cua ((tong cong) or (cong cong)) tan ((tran bai) or (tran van))*.