Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hieu cao » chieu cao, hieu cac, hieu ca
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
hanh doi » thanh doi, hanh noi, hang doi
su triet » su viet, su tien, ve triet
xuc van » duc van, luc van, vuc van
doi su » oi su, don su, voi su
x hoi » o hoi, x ho, 5 hoi

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: ((tu cac) OR (thuat sach)) ky nang ((x hoi) OR (xa hoi)). hieu cao chat xuc van hanh doi su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cac) or (thuat sach)) ky nang ((x hoi) OR (xa hoi)). hieu cao chat xuc van hanh doi su triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (thuat sach)) ky nang ((x hoi) OR (xa hoi)). hieu cao chat xuc van hanh doi su triet*.