Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh va » doanh va, hanh va, anh va
hieu su » hieu sau, tieu su, hieu so
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
lang xa » lang ha, dang xay, lang van
su cham » su pham, tu cham, vu cham
xac va » tac va, ac va, bac va
tuc va » thuc va, truc va, tuc xa
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ((lang xa) or (nang ma)) hoi. hieu su cham ((xac va) or (tuc va)) danh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((lang xa) OR (nang ma)) hoi. hieu su cham ((xac va) OR (tuc va)) danh va cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach y ((lang xa) or (nang ma)) hoi. hieu su cham ((xac va) or (tuc va)) danh va cua triet*.