Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
mai khoi » mai khoa, tai khoa, cac khoi
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
mai hoi » dai hoi, lai hoi, mai doi
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
san cua » sang cua, ban cua, dan cua
y nang » ky nang, ly nang, v nang

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