Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
phuong cong » phuong dong, phong cong, phung cong
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
tung luan » dung luan, tang luan, tong luan
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
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: ((doi chieu) or (hoc thieu)) xanh - thanh tung luan phuong cong tac ((toan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (hoc thieu)) xanh - thanh tung luan phuong cong tac ((toan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (hoc thieu)) xanh - thanh tung luan phuong cong tac ((toan cau) or (phan cac))*.