Perhaps you should try some spelling variations:
thien chinh » tien thinh, thien chien, thi chinh
theo chinh » te chinh, che chinh, thi chinh
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
cong huy » cuong huy, dong huy, cong quy
huy toan » huy tran, huu toan, huy hoang
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: ((theo chinh) OR (thien chinh)) sach - thanh ((truong cua) or (truong cao)) nhung cong huy toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chinh) OR (thien chinh)) sach - thanh ((truong cua) OR (truong cao)) nhung cong huy toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chinh) OR (thien chinh)) sach - thanh ((truong cua) or (truong cao)) nhung cong huy toan tap".
• Adding a wildcard symbol may retrieve word variants: ((theo chinh) OR (thien chinh)) sach - thanh ((truong cua) or (truong cao)) nhung cong huy toan tap*.