Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
luoc van » luoc can, luoc va, luot van
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va nhan » van nhan, ca nhan, va phan
luc van » luu van, duc van, luc va
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 va nhan ((luc van) OR (luoc van)) anh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu va nhan ((luc van) OR (luoc van)) anh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu va nhan ((luc van) OR (luoc van)) anh vi cua triet*.