Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
chat duc » chat xuc, chat doc, chet duoc
cua tre » cua te, cuu tre, cua triet
danh di » danh du, xanh di, danh dien
te sach » toc sach
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
danh vi » hanh vi, dinh vi, danh va
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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