Perhaps you should try some spelling variations:
minh trang » tinh trang, minh hoang, minh tuan
hien tach » thien hach, chiet tach, vien bach
va phuong » va thuong, cac phuong
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
va thong » va thuong, he thong, va cong
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: hoc hien tach - ((minh trang) or (canh tranh)) ((va thong) OR (va phuong)) cong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tach - ((minh trang) OR (canh tranh)) ((va thong) OR (va phuong)) cong hach toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien tach - ((minh trang) or (canh tranh)) ((va thong) OR (va phuong)) cong hach toan ban*".