Perhaps you should try some spelling variations:
thien tinh » khien tinh, thien minh, tien tinh
nhung song » nhung cong, nhung bong, nhung chong
hinh dinh » binh dinh, trinh dinh, hinh anh
tu nhung » tu chung, cua nhung, thi nhung
song van » hoang van, trong van, duong van
tuan cau » toan cau, quan cau, tuan cu
toan cao » toan ban, toan tap
dinh tu » danh tu, dinh cu, tinh tu

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 tinh) or (trieu tinh)) - hinh dinh tu nhung song van ((tuan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien tinh) OR (trieu tinh)) - hinh dinh tu nhung song van ((tuan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien tinh) or (trieu tinh)) - hinh dinh tu nhung song van ((tuan cau) or (toan cao))*.