Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
kham cuoi » kham cuoc, dam cuoi, khac cuoc
cuoi van » cuoi dan, cuu van, bui van
van hanh » van thanh, ban hanh, van anh
hanh doi » thanh doi, hanh noi, hang doi
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
va kham » va cham, va khao, va tham
doi cua » dai cua, hoi 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: vu sach y ((nang xa) OR (nang ma)) hoi. lieu va kham cuoi van hanh doi cua triet~.
• Adding a wildcard symbol may retrieve word variants: vu sach y ((nang xa) or (nang ma)) hoi. lieu va kham cuoi van hanh doi cua triet*.