Perhaps you should try some spelling variations:
chiet tach » chieu sach
trinh xuat » trinh luat, trinh xuan, trich xuat
trinh quan » tinh quang, trinh luat, trinh han
cong dung » cuong dung, cong dong, cong luong
ho chiet » ho chieu, ho thiet, hoc thiet
dung von » dong von, dung cong, dung va
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh ((trinh xuat) OR (trinh quan)) cong dung von ((toan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh ((trinh xuat) or (trinh quan)) cong dung von ((toan cau) OR (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh ((trinh xuat) or (trinh quan)) cong dung von ((toan cau) OR (toan cao))*.