Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
chat truc » cau truc, chat xuc
hoc sach » hoc sinh, hoc cac, hoc anh
va triet » va thiet, va trien, ve triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
di va » dai va, di vao, doi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) or (hoc sach)) ky nang xa hoi. hieu va chat truc va danh di va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (hoc sach)) ky nang xa hoi. hieu va chat truc va danh di va triet.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (hoc sach)) ky nang xa hoi. hieu va chat truc va danh di va triet*.