Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh van » thanh san, thanh toan, thanh phan
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
van cua » vang cua, ban cua, dan cua
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
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: thuat sach ky nang ((x hoi) or (co hoc)). hieu va cam xuc va thanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky nang ((x hoi) OR (co hoc)). hieu va cam xuc va thanh van cua triet.
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang ((x hoi) or (co hoc)). hieu va cam xuc va thanh van cua triet*.