Perhaps you should try some spelling variations:
doanh thu » doanh tai
cua triet » cua viet, su triet, va triet
danh dau » lanh dao, hang dau, danh tu
te sach » toc sach
may hoi » may thoi, tay hoi, mai hoi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
y mang » cay mang
luc va » tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y mang may hoi. hieu ve cham ((luc va) OR (duc va)) ((danh dau) or (doanh thu)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y mang may hoi. hieu ve cham ((luc va) OR (duc va)) ((danh dau) OR (doanh thu)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y mang may hoi. hieu ve cham ((luc va) OR (duc va)) ((danh dau) or (doanh thu)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach y mang may hoi. hieu ve cham ((luc va) OR (duc va)) ((danh dau) or (doanh thu)) cua triet*.