Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham xuc » cam xuc, chat xuc, cham soc
va dinh » van dinh, va kinh, va tinh
sach ly » sach y, sach lo, sach ty
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
cao hoc » co hoc, cho hoc, chat hoc
ly nang » ky nang, ly hang, ly vang
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: tu sach ly nang ((cau hoi) or (cao hoc)). hieu va cham xuc ((va dinh) or (ca dao)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang ((cau hoi) OR (cao hoc)). hieu va cham xuc ((va dinh) OR (ca dao)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang ((cau hoi) or (cao hoc)). hieu va cham xuc ((va dinh) or (ca dao)) vi cua triet*.