Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
cua tre » cua te, dua tren, cua thep
cuu tre » cau tren, cau treo
y nang » ky nang, ly nang, v nang
ve hoc » te hoc, va hoc, vi hoc
nuoc » quoc, duoc, ngoc

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu ve hoc nuoc va hanh vi ((((cua tre) OR (cua triet))) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu ve hoc nuoc va hanh vi ((((cua tre) OR (cua triet))) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu ve hoc nuoc va hanh vi ((((cua tre) OR (cua triet))) or (cuu tre))*.