Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
doanh van » doan van, doanh va, doanh ban
thu nang » thi nang, thu hang, tho nang
thu bang » thu ban, thu hang, chu bang
va doanh » van doanh, vay doanh, va danh
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va giao » van giao, va giai, va gia
van cua » vang cua, ban cua, dan cua

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 ((thu nang) or (thu bang)) mai hoi. hieu va giao duc va doanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu nang) OR (thu bang)) mai hoi. hieu va giao duc va doanh van cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((thu nang) or (thu bang)) mai hoi. hieu va giao duc va doanh van cua triet*.