Perhaps you should try some spelling variations:
khach ly » khanh ly, khao ly, khich le
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
su triet » su viet, su tien, ve triet
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
cuu tre » cua tre, cau tren, cau treo
cac tu » cac thu, cach tu, cac du

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

• Performing a fuzzy search may retrieve terms with similar spellings: vay khach ly nang xa hoi. ((thien van) OR (thi van)) cac tu va thanh vi ((su triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vay khach ly nang xa hoi. ((thien van) OR (thi van)) cac tu va thanh vi ((su triet) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vay khach ly nang xa hoi. ((thien van) OR (thi van)) cac tu va thanh vi ((su triet) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: vay khach ly nang xa hoi. ((thien van) OR (thi van)) cac tu va thanh vi ((su triet) or (cuu tre))*.