Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
luoc van » luoc va, luc van, luot van
luoc can » luc canh, hoc can, luoc dai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
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 ky nang xa hoi. hieu va cham ((luoc van) OR (luoc can)) hanh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu va cham ((luoc van) OR (luoc can)) hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu va cham ((luoc van) OR (luoc can)) hanh vi cua triet*.