Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
cham cuu » cap cuu, chat cua
ban dinh » ban tinh, van dinh, ban dich
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
hieu ve » hieu va, hieu van
dinh vi » dinh ve, dinh viet, dinh tri
vi cua » vai cua, di cua

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 dang) or (ky tang)) xa hoi. hieu ve ((cham cuu) or (cam xuc)) ban dinh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ((ky dang) OR (ky tang)) xa hoi. hieu ve ((cham cuu) OR (cam xuc)) ban dinh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: thuat sach ((ky dang) or (ky tang)) xa hoi. hieu ve ((cham cuu) or (cam xuc)) ban dinh vi cua triet*.