Perhaps you should try some spelling variations:
thien cac » thien cau, thieu cac, trien cac
cua triet » cua viet, su triet, va triet
hien cac » vien cac, hieu cac, dien cac
dinh vai » dinh van, dinh vi, dinh va
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va dinh » van dinh, va kinh, va tinh
vai cua » dai cua, hai cua, lai cua
bao va » bao ve, tao va, ban va

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((hien cac) OR (thien cac)) bao va dinh vai cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((hien cac) OR (thien cac)) bao va dinh vai cua triet*.