Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cham luc » cham soc, nhan luc, cham cuu
hanh sua » hinh su, hanh va, hanh tu
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ma hoa. hieu va cham luc va hanh sua ((cua triet) OR (cua viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ma hoa. hieu va cham luc va hanh sua ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoa. hieu va cham luc va hanh sua ((cua triet) OR (cua viet))*.