Perhaps you should try some spelling variations:
thuc bach » truc bach, thuc cach, thuoc sach
phan tong » phan trong, phan cong, han tong
sach dai » sach dao, sach bai, sach dat
dai thuc » dan thuc, dai thu, dai thua
bai thuc » bai thuoc, bao thuc, loai thuc
te sach » toc sach
bach co » bach cau, bach hoa, bach mao
hoa pho » hoa phi, hoa cho, hoa ho

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 dai thuc bach co phan tong ) or ( tu cac bai thuc hanh ((hoa pho) OR (hoc pho)) thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach dai thuc bach co phan tong ) OR ( tu cac bai thuc hanh ((hoa pho) OR (hoc pho)) thong )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( te sach dai thuc bach co phan tong ) or ( tu cac bai thuc hanh ((hoa pho) OR (hoc pho)) thong ))".
• Adding a wildcard symbol may retrieve word variants: (( te sach dai thuc bach co phan tong ) or ( tu cac bai thuc hanh ((hoa pho) OR (hoc pho)) thong ))*.