Perhaps you should try some spelling variations:
tieng nhat » tieng han
khoa thien » hoan thien, thua thien, khoa than
dung khoa » dung cho
tieng dat » tien dat, tieng han, tren dat
luan tieu » luan thiet
kinh toan » tinh toan, hinh toan, minh toan
van dung » van dong, xay dung, tin dung
tieu thu » trieu thi, tieu su
thu kinh » thu minh, thuat kinh, nha kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: van dung khoa ((tieng dat) OR (tieng nhat)) luan tieu thu kinh toan khoa thien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "van dung khoa ((tieng dat) OR (tieng nhat)) luan tieu thu kinh toan khoa thien".
• Adding a wildcard symbol may retrieve word variants: van dung khoa ((tieng dat) OR (tieng nhat)) luan tieu thu kinh toan khoa thien*.