Perhaps you should try some spelling variations:
khoan phai » khong phai, khoa phau, khoan hoi
thuoc sach » hoc sach, nuoc sach, thuat sach
phai tuong » phan thuong, pham thuong, pham truong
ban thuoc » dang thuoc, cay thuoc, nam thuoc
phu thong » pho thong, phap thong, khau thong
dao thuoc » cao thuoc, tao thuoc, dang thuoc
thuoc cac » thuoc cuc, thuoc cao, thuoc dac
sach ban » sach bai, sach han, sach bac
te sach » toc sach
sach ha » sach nha, sach han, sach xa
te lanh » te danh, te lan, tu lanh
ha phu » hai phu, hoa phu, ha pha

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 ban thuoc sach ha phu thong ) or ( te lanh dao thuoc cac khoan phai tuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach ban thuoc sach ha phu thong ) OR ( te lanh dao thuoc cac khoan phai tuong )).
• Adding a wildcard symbol may retrieve word variants: (( te sach ban thuoc sach ha phu thong ) or ( te lanh dao thuoc cac khoan phai tuong ))*.