Perhaps you should try some spelling variations:
bach khong » bach khang, bach phuong, bach khoa
phan xuong » phan cong
tin thuoc » tin thuong, tin hoc, ban thuoc
khang hoc » khung hoc, khang thuoc, thang nhoc
sach bai » sach dao, cac bai, sach xa
hoc bach » hoc sach, hoc cach, hoc bac
khong he » khong khi, hong ha, khong _
hoc phan » hoc dan, hoc pho
te sach » toc sach
bai hoc » dai hoc
cau tin » cau xin, cau tieng, chau tinh
tu cau » tu cac, cu cau, tu can

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 bai hoc bach khong he thong ) or ( tu cau tin thuoc khang hoc phan xuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach bai hoc bach khong he thong ) OR ( tu cau tin thuoc khang hoc phan xuong )).
• Adding a wildcard symbol may retrieve word variants: (( te sach bai hoc bach khong he thong ) or ( tu cau tin thuoc khang hoc phan xuong ))*.