Perhaps you should try some spelling variations:
luan thien » luan nghien, luong thien, quang thien
thuat kinh » thuyet kinh, luat kinh, thuat lanh
dung khoa » dung cho
hoan hien » hoan thien, han hien, doan thien
tan dung » tran dung, tin dung, van dung
luan dat » luat dat, luan dac, luan day
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: tan dung khoa luan dat ((luan thien) or (luan thiet)) thuat kinh doanh ((hoan hien) OR (hoa hien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan dung khoa luan dat ((luan thien) OR (luan thiet)) thuat kinh doanh ((hoan hien) OR (hoa hien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tan dung khoa luan dat ((luan thien) or (luan thiet)) thuat kinh doanh ((hoan hien) OR (hoa hien))".
• Adding a wildcard symbol may retrieve word variants: tan dung khoa luan dat ((luan thien) or (luan thiet)) thuat kinh doanh ((hoan hien) OR (hoa hien))*.