Perhaps you should try some spelling variations:
nhan luoc » nhan luc, nhan cuoc, nhan duoc
luoc van » luoc can, luoc va, luc van
van hanh » van thanh, ban hanh, van anh
va triet » va thiet, va trien, ve triet
su triet » su viet, su tien, ve triet
lieu ca » lieu cao, lieu ma, hieu ca
tu cai » tu cac, tu can, tu bai
cai ky » cao ky, cac ky, cam ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cai ky nang x ho. ((lieu ca) OR (lieu va)) nhan luoc van hanh vi ((va triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ky nang x ho. ((lieu ca) OR (lieu va)) nhan luoc van hanh vi ((va triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cai ky nang x ho. ((lieu ca) OR (lieu va)) nhan luoc van hanh vi ((va triet) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: tu cai ky nang x ho. ((lieu ca) OR (lieu va)) nhan luoc van hanh vi ((va triet) or (su triet))*.