Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nham thuc » nam thuc, nham thu, pham thuc
nhan thuc » nhan luc, dan thuc, toan thuc
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
sach ki » sach kinh, sach bai, sach kem
ki dang » ki nang, ky dang, kien dang
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai 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 ki dang xay hoi. hieu ve ((nham thuc) or (nhan thuc)) van hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ki dang xay hoi. hieu ve ((nham thuc) OR (nhan thuc)) van hanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: thuat sach ki dang xay hoi. hieu ve ((nham thuc) or (nhan thuc)) van hanh vai cua triet*.