Perhaps you should try some spelling variations:
trieu dinh » trieu tinh, trieu minh, trien dich
chieu sach » chinh sach, chiet tach, chieu sang
manh tung » manh hung, thanh tung
tung cua » trung cua, tuong cua, dung cua
cua nong » cua cong, cuu nong, cua dong
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((trieu dinh) or (chieu sach)) - manh tung cua nong ((cong san) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((trieu dinh) OR (chieu sach)) - manh tung cua nong ((cong san) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((trieu dinh) or (chieu sach)) - manh tung cua nong ((cong san) or (cong tac)) toan cau*.