Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhan luc » nang luc
cham luc » cham soc, cham cuu, chat lua
toc sach » hoc sach, doc sach, thuoc sach
tang van » dang van, hoang van, trong van
hieu vu » hieu va, hieu ve, hieu su
tang ma » mang may
va danh » va dinh, va dan, va hanh
danh tu » anh tu, doanh thu
tu cua » hu cua, vu cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y ((tang ma) OR (tang van)) hoi. hieu vu ((cham luc) OR (nhan luc)) va danh tu cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y ((tang ma) or (tang van)) hoi. hieu vu ((cham luc) OR (nhan luc)) va danh tu cua triet~".
• Adding a wildcard symbol may retrieve word variants: toc sach y ((tang ma) or (tang van)) hoi. hieu vu ((cham luc) OR (nhan luc)) va danh tu cua triet*.