Perhaps you should try some spelling variations:
phuong thong » phuong trong, thong thong, phuong hoang
theo chieu » ho chieu, theo chu, thi chieu
thanh tung » thanh cong
cua phuong » cuu phuong, cuc phuong, luan phuong
tung cua » trung cua, tuong cua, dung cua
thong va » thong cua, truong va, thong qua
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) sach - thanh tung cua phuong thong va ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - thanh tung cua phuong thong va ((toan cao) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) sach - thanh tung cua phuong thong va ((toan cao) OR (toan ban))*".