Perhaps you should try some spelling variations:
hoan chinh » hanh chinh, hoa hinh
tuong dong » tuong duong, trong dong, cuong duong
hoc chinh » hoc sinh, hoc kinh
tranh cua » manh cua
doanh cua » doanh luan
dong dan » dong danh, duong dan, dong san
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chinh) OR (hoan chinh)) sach - hanh ((tranh cua) or (doanh cua)) tuong dong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chinh) OR (hoan chinh)) sach - hanh ((tranh cua) OR (doanh cua)) tuong dong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chinh) OR (hoan chinh)) sach - hanh ((tranh cua) or (doanh cua)) tuong dong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc chinh) OR (hoan chinh)) sach - hanh ((tranh cua) or (doanh cua)) tuong dong dan toan tap*.