Perhaps you should try some spelling variations:
sach truc » cach thuc, sach tren, sach thu
truc nang » truc nano, tru nang, truc trang
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
doi cua » dai cua, hoi cua
ve cam » ve cham, ve cac, va cam
di cua » dai cua, de cua, do cua
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: su sach truc nang x hoi. hieu ve cam xuc van hanh ((di cua) OR (doi cua)) triet~.
• Adding a wildcard symbol may retrieve word variants: su sach truc nang x hoi. hieu ve cam xuc van hanh ((di cua) or (doi cua)) triet*.