Perhaps you should try some spelling variations:
theo thuoc » che thuoc, tao thuoc, thu thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
thong cong » trong cong, tong cong, thong thong
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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 - hanh ((trang cua) or (trung cua)) thong cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo thuoc sach - hanh ((trang cua) OR (trung cua)) thong cong tan tran cao.
• Adding a wildcard symbol may retrieve word variants: theo thuoc sach - hanh ((trang cua) or (trung cua)) thong cong tan tran cao*.