Perhaps you should try some spelling variations:
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
danh di » danh du, xanh di, danh dien
sach vu » sach va, sach tu, sach uu
danh vi » hanh vi, dinh vi, danh va
va chao » va cao, va chat, va cham
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
vu nang » vuc nang, va nang, vu dang
su viet » so viet
xu va » xu van, tu va, su va

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 vu nang xa hoi. hieu va chao xu va ((danh vi) or (danh di)) ((cua tre) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach vu nang xa hoi. hieu va chao xu va ((danh vi) OR (danh di)) ((cua tre) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: te sach vu nang xa hoi. hieu va chao xu va ((danh vi) or (danh di)) ((cua tre) or (su viet))*.