Perhaps you should try some spelling variations:
trinh chiet » trinh thiet, trinh nhiet, trinh chat
trinh viet » ninh viet, trinh vat
hoc tieng » hoc hien
xuat ban » luat ban, xuat san, thuat ban
viet nha » viet nhat, viet ha, viec nha
ban cua » ban quan
nha hoc » nha thuoc, khoa hoc, nha nuoc

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: giao ((trinh chiet) OR (trinh viet)) xuat ban cua nguoi viet nha hoc tieng anh~.
• Adding a wildcard symbol may retrieve word variants: giao ((trinh chiet) or (trinh viet)) xuat ban cua nguoi viet nha hoc tieng anh*.