Perhaps you should try some spelling variations:
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
vai cua » hai cua, lai cua, bai cua
ve cac » va cac, vien cac
vi cua » di cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tru nang x hoi. hieu ve cac xuc van hanh ((((vi cua) or (vai cua))) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tru nang x hoi. hieu ve cac xuc van hanh ((((vi cua) OR (vai cua))) OR (dai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach tru nang x hoi. hieu ve cac xuc van hanh ((((vi cua) or (vai cua))) or (dai cua)) triet*.