Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu cua » hieu qua, dieu cua, bieu cua
nhan duc » nhan duoc, nhan luc, phan duc
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu xa » hiem xa, hieu va, hieu ca
duc van » duc va, duc tan, duc manh
van anh » van thanh, tuan anh, van minh
y nang » ky nang, ly nang, v nang
anh vi » hanh vi, anh va, anh ve
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: tu sach y nang xa hoi. ((hieu xa) or (hieu cua)) nhan duc van anh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. ((hieu xa) OR (hieu cua)) nhan duc van anh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. ((hieu xa) or (hieu cua)) nhan duc van anh vi cua triet*.