Perhaps you should try some spelling variations:
chien tinh » chieu tinh, thien tinh, chien tranh
khien tinh » thien tinh, khien thich, bien tinh
phuong dan » phuong danh, phuong doan, huong dan
thong cua » thong quan, thong tu, huong cua
tang luan » dung luan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chon ((chien tinh) OR (khien tinh)) - hanh ((thong cua) or (tang luan)) bang phuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chon ((chien tinh) OR (khien tinh)) - hanh ((thong cua) OR (tang luan)) bang phuong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chon ((chien tinh) OR (khien tinh)) - hanh ((thong cua) or (tang luan)) bang phuong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: chon ((chien tinh) OR (khien tinh)) - hanh ((thong cua) or (tang luan)) bang phuong dan toan ban*.