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