Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lam » thanh lap, hanh lam, thanh nam
vu khach » vu khanh, vu khac, vay khach
lam cua » nam cua, lam chat
xuc gia » duc gia, luc gia, tuc gia
vu sach » vu bach, su sach
ve cac » va cac, vien cac
nang o » nang co, nang ho, nang ro
y nang » ky nang, ly nang, v nang
ve cam » ve cham, va cam, ve cai
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: ((vu sach) or (vu khach)) y nang o hoi. hieu ((ve cam) OR (ve cac)) xuc gia thanh lam cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu khach)) y nang o hoi. hieu ((ve cam) OR (ve cac)) xuc gia thanh lam cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (vu khach)) y nang o hoi. hieu ((ve cam) OR (ve cac)) xuc gia thanh lam cua triet*".