Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
chien cac » hien cac, thien cac, chien cuoc
hang tai » dung tai
ve triet » va trien, su triet
tu sach » thu sach, su sach, tu cach
te sach » toc sach
cac duc » cac du, cao duc, cac dac
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (te sach)) y nang x hoi. chieu chien cac duc tan ((hang tai) or (hang va)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) y nang x hoi. chieu chien cac duc tan ((hang tai) OR (hang va)) ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) y nang x hoi. chieu chien cac duc tan ((hang tai) or (hang va)) ve triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) y nang x hoi. chieu chien cac duc tan ((hang tai) or (hang va)) ve triet*.