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
va cham » va tham
va chat » van chat, va phat, cao chat
y nang » ky nang, ly nang, v nang
xuc va » tuc va, luc va, xac va
dan vi » doan vi, don vi, dan va
vi cua » vai cua, di 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 y nang xa hoi. hieu ((va cham) or (va chat)) ((xuc va) or (duc va)) dan vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu ((va cham) OR (va chat)) ((xuc va) OR (duc va)) dan vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu ((va cham) or (va chat)) ((xuc va) or (duc va)) dan vi cua triet*.