Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
khach ly » khanh ly, khao ly
cau treo » cau theo, cau tren, cau triet
khich le » thinh le, dich le, tich le
nang xa » nang x, lang xa, nang ma
cac toc » cac toi, cac nuoc, cac thoi
ta hanh » ta thanh, va hanh, tu hanh
van cac » van hac, van cau, van bac
toc ta » toc tay, toc thai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((khach ly) OR (khich le)) nang xa hoi. thien van cac toc ta hanh vi ((cua triet) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((khach ly) OR (khich le)) nang xa hoi. thien van cac toc ta hanh vi ((cua triet) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((khach ly) OR (khich le)) nang xa hoi. thien van cac toc ta hanh vi ((cua triet) or (cau treo))".
• Adding a wildcard symbol may retrieve word variants: vu ((khach ly) OR (khich le)) nang xa hoi. thien van cac toc ta hanh vi ((cua triet) or (cau treo))*.