Perhaps you should try some spelling variations:
tranh luat » trinh luat, trinh luan, tranh cua
thien danh » thien dang, thien thanh, thien chanh
tranh luan » trinh luan, trinh luat, doanh luan
thong doan » thong dan, trong doanh, thong hoang
thien anh » tien anh, thien thanh, thien chanh
doan phan » doanh phan, toan phan, dan phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) OR (thien danh)) - canh ((tranh luat) or (tranh luan)) thong thong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien danh)) - canh ((tranh luat) OR (tranh luan)) thong thong doan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) OR (thien danh)) - canh ((tranh luat) or (tranh luan)) thong thong doan phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) OR (thien danh)) - canh ((tranh luat) or (tranh luan)) thong thong doan phan tu*.