Perhaps you should try some spelling variations:
thien van » thi van
khach ly » khanh ly, khao ly, khich le
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
cuu tre » cua tre, cau tren, cau treo
hac tu » hoc tu, cac tu, bac tu

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 ((hac tu) OR (tac tu)) gia 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 ((hac tu) OR (tac tu)) gia 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 ((hac tu) OR (tac tu)) gia thanh vi ((su triet) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: vay khach ly nang xa hoi. thien van ((hac tu) OR (tac tu)) gia thanh vi ((su triet) or (cuu tre))*.