Perhaps you should try some spelling variations:
dung khoa » dung cho
kinh toan » tinh toan, hinh toan, minh toan
khoa hien » khoa huyen, khoa tieng, hoc hien
dan dung » van dung, tin dung, ap dung
luan ket » lien ket
qua hieu » qua tieu, qua dieu, cua hieu
hoa hien » hoc hien, hoa bien, hoan thien

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

• Performing a fuzzy search may retrieve terms with similar spellings: dan dung khoa luan ket qua hieu qua kinh toan ((khoa hien) OR (hoa hien))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dan dung khoa luan ket qua hieu qua kinh toan ((khoa hien) OR (hoa hien))".
• Adding a wildcard symbol may retrieve word variants: dan dung khoa luan ket qua hieu qua kinh toan ((khoa hien) OR (hoa hien))*.