Perhaps you should try some spelling variations:
nhan thuc » nhan luc, dan thuc, toan thuc
dung tinh » dang tinh, dung ninh, dung vinh
cua triet » cua viet, su triet, va triet
qua nhan » cua nhan, qua nhat, qua phan
dung tin » dong tin, luong tin, dung tren
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. hieu qua nhan thuc ((dung tinh) or (dung tin)) di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu qua nhan thuc ((dung tinh) OR (dung tin)) di cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu qua nhan thuc ((dung tinh) or (dung tin)) di cua triet*.