Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
toc sach » hoc sach, doc sach, thuoc sach
chuc dan » chuc danh, thuc dan, chua dan
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
dan dan » dang dan, ban dan, dao dan
dan lam » van lam, dan lap, dan nam
lam cua » nam cua, lam chat
cua tre » cua te, cuu tre, cua triet
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ly nang x hoi. hieu ve pham chuc dan dan lam cua tre~.
• Adding a wildcard symbol may retrieve word variants: toc sach ly nang x hoi. hieu ve pham chuc dan dan lam cua tre*.