Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
luan tong » luan tuong, luan cong, luan dong
tong cong » trong cong, cong cong, dung cong
duc van » duc va, duc tan, duc manh
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - canh tranh luan tong cong ((duc van) or (tuc va)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - canh tranh luan tong cong ((duc van) OR (tuc va)) ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - canh tranh luan tong cong ((duc van) or (tuc va)) ban*.