Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
danh vai » danh sai, danh va, doanh van
su triet » su viet, su tien, ve triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc day
va lam » van lam, va lap
vai su » va su, van su, lai su
x hoi » xa hoi, o hoi, x ho

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: te sach ky nang x hoi. hieu va lam ((thuc va) OR (thuc dan)) danh vai su triet~.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu va lam ((thuc va) or (thuc dan)) danh vai su triet*.