Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh thai » dang thai, dinh thai, danh thanh
anh thai » anh thi, anh tai, nhanh thai
van chat » cao chat
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
tuc va » thuc va, truc va, tuc xa
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang o hoi. hieu ((ve cham) or (van chat)) tuc va ((danh thai) OR (anh thai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang o hoi. hieu ((ve cham) OR (van chat)) tuc va ((danh thai) OR (anh thai)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang o hoi. hieu ((ve cham) or (van chat)) tuc va ((danh thai) OR (anh thai)) cua triet*".