Perhaps you should try some spelling variations:
thien van » thi van
cau treo » cau theo, cau tren, cau triet
su triet » su viet, su tien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
khac ly » khao ly, khac lau, khanh ly
vu khac » vu kham, vu khanh, bui khac
van cac » van hac, van cau, van bac
ly nang » ky nang, ly hang, ly vang
cac tu » cac thu, cach tu, cac du
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khac ly nang ((x hoi) OR (o hoi)). thien van cac tu va thanh vi ((su triet) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khac ly nang ((x hoi) OR (o hoi)). thien van cac tu va thanh vi ((su triet) OR (cau treo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khac ly nang ((x hoi) OR (o hoi)). thien van cac tu va thanh vi ((su triet) or (cau treo))*".