Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ly hang » ly quang
dau hoi » cau hoi, dai hoi, dau noi
dan hoi » dan hoc, dai hoi, van hoi
sach ly » sach y, sach lo, sach ty
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
te sach » toc sach
va cam » va cham, va cac, va cao
vi cua » vai cua, di 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 ly hang ((dau hoi) or (dan hoi)). hieu va cam ((tuc xa) or (duc va)) danh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly hang ((dau hoi) OR (dan hoi)). hieu va cam ((tuc xa) OR (duc va)) danh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ly hang ((dau hoi) or (dan hoi)). hieu va cam ((tuc xa) or (duc va)) danh vi cua triet*.