Perhaps you should try some spelling variations:
trinh phuong » trinh duong, trinh dung, trinh cong
phuong cong » phuong dong, phong cong, phung cong
quan trinh » qua trinh, quan tinh, xuan trinh
doi chiet » doi chieu, doi chi, doi chinh
doi viet » dai viet, hoi viet, oi viet
anh quan » anh tuan, ban quan, anh nhan
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chiet) or (doi viet)) tach - anh quan trinh phuong cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chiet) OR (doi viet)) tach - anh quan trinh phuong cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((doi chiet) or (doi viet)) tach - anh quan trinh phuong cong tan ((toan cau) or (toan tap))*.