Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
chat truc » cau truc, chat xuc
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
dinh dai » dinh dat, sinh dai, dinh dao
nang xa » nang x, lang xa, nang ma
va dinh » van dinh, va kinh, va tinh
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. hieu van ((chat truc) or (chao xu)) va dinh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang xa hoi. hieu van ((chat truc) OR (chao xu)) va dinh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. hieu van ((chat truc) or (chao xu)) va dinh dai cua triet*.