Perhaps you should try some spelling variations:
khoan phap » khoan phai, khoa phau, han phap
phap thong » phap phong, phap chong, pho thong
hanh thoi » hanh thuoc, nhanh thai, hanh noi
phu thong » pho thong, khau thong, phan thong
sach tai » sach bai, sach tham, sach dao
cach tai » cac tai, cach ta, cach thoi
tai thuc » thai thuc, tri thuc, dai thuc
thoi phu » thi phu, hoi phu, thon phu
su sach » so sach, vu sach
tai tro » vai tro, tai tao, tai trong
tro cac » tho cac, tao cac, tri cac
tu cach » tu cac

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 tai tro cac khoan phap thong ) or ( tu cach tai thuc hanh thoi phu thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach tai tro cac khoan phap thong ) OR ( tu cach tai thuc hanh thoi phu thong )).
• Adding a wildcard symbol may retrieve word variants: (( su sach tai tro cac khoan phap thong ) or ( tu cach tai thuc hanh thoi phu thong ))*.