Perhaps you should try some spelling variations:
nhieu vien » nhieu viec, nhiet dien, thieu nien
dai thuoc » bai thuoc, dai thuc, dang thuoc
thuoc cao » thuoc co, thuc cao, thuoc bao
cua triet » cua viet, su triet, va triet
vien dai » hien dai
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
dan tai » dan thi, han tai, ban tai
van tai » von tai, van tuan
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang x hoi. nhieu vien dai thuoc cao ((dan tai) or (van tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. nhieu vien dai thuoc cao ((dan tai) OR (van tai)) cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. nhieu vien dai thuoc cao ((dan tai) or (van tai)) cua triet*.