Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
thu sach » tu sach, thuat sach, thuoc sach
chuc vat » thuc vat, chuc va, chuc van
vat hanh » vat thanh, van hanh, va hanh
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
hanh di » hanh vi, hanh de, hang di
co loi » co hoi
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang ((co loi) OR (co hoc)). hieu va pham chuc vat hanh di cua te~.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang ((co loi) or (co hoc)). hieu va pham chuc vat hanh di cua te*.