Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
lam thuoc » nam thuoc, am thuc, cay thuoc
hieu van » hieu va, thien van, lieu va
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
thuoc va » thuc va, thuoc ma, thuong va
thu sach » tu sach, thuat sach, thuoc sach
van lam » van nam
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((y nang) or (v nang)) ma hoi. hieu van lam thuoc va thanh ve ((cua te) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y nang) OR (v nang)) ma hoi. hieu van lam thuoc va thanh ve ((cua te) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: thu sach ((y nang) or (v nang)) ma hoi. hieu van lam thuoc va thanh ve ((cua te) or (cua triet))*.