Perhaps you should try some spelling variations:
thoai tieng » thi tieng
khoa thien » hoan thien, thua thien, khoa than
luan trieu » luan tieu, luan thiet, luan dieu
toan tieng » toan tien, toan thong, toan dien
dung khoa » dung cho
thien ket » thien ke, thiet ke
ban dung » van dung, dan dung, tan dung
ket luan » ket qua, te luan, dat luan
thi kinh » tri kinh, thi minh, thi hinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ban dung khoa thien ket luan trieu thi kinh doanh ((toan tieng) OR (thoai tieng))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban dung khoa thien ket luan trieu thi kinh doanh ((toan tieng) OR (thoai tieng))".
• Adding a wildcard symbol may retrieve word variants: ban dung khoa thien ket luan trieu thi kinh doanh ((toan tieng) OR (thoai tieng))*.