Perhaps you should try some spelling variations:
theo thuoc » che thuoc, tao thuoc, thu thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
doanh luan » doanh nhan
tranh cua » doanh cua, manh cua
thong dan » thong van, tuong dan, thong den
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo thuoc sach - canh ((tranh cua) or (doanh luan)) thong thong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo thuoc sach - canh ((tranh cua) OR (doanh luan)) thong thong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: theo thuoc sach - canh ((tranh cua) or (doanh luan)) thong thong dan phan cau*.