Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lam » thanh lap, hanh lam, thanh nam
thien van » thi van
va thanh » gia thanh, ban thanh, va tinh
chat duc » chat xuc, chat doc, chet duoc
van chat » cao chat
lam cua » nam cua, lam chat
tu cach » tu cac
su sach » so sach, vu sach
o hoi » co hoi, o hai, o hoa
o hoc » co hoc, mo hoc, so hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ky nang ((o hoi) or (o hoc)). thien van chat duc va thanh lam cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang ((o hoi) OR (o hoc)). thien van chat duc va thanh lam cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky nang ((o hoi) or (o hoc)). thien van chat duc va thanh lam cua triet*.