Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
doanh ban » doanh bat, doanh van, doanh nhan
cua triet » cua viet, su triet, va triet
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
danh vai » danh sai, danh va, doanh van
mang xa » lang xa, mang may, dang xay
hieu ve » hieu va, hieu van
y mang » cay mang
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y mang xa hoi. hieu ve cac nuoc va ((danh vai) or (doanh ban)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y mang xa hoi. hieu ve cac nuoc va ((danh vai) OR (doanh ban)) cua triet.
• Adding a wildcard symbol may retrieve word variants: thuat sach y mang xa hoi. hieu ve cac nuoc va ((danh vai) or (doanh ban)) cua triet*.