Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » ban thanh, va tinh, le thanh
cam tuc » cam xuc, cam tu, nam thuc
doi cua » dai cua, hoi cua
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
ma hoi » mai hoi, xa hoi, me hoi
va cam » va cham, va cac, va cao

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 ((ma hoi) or (ma hoa)). hieu va cam tuc ((va thanh) or (gia thanh)) doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((ma hoi) OR (ma hoa)). hieu va cam tuc ((va thanh) OR (gia thanh)) doi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((ma hoi) or (ma hoa)). hieu va cam tuc ((va thanh) or (gia thanh)) doi cua triet*.