Perhaps you should try some spelling variations:
chieu chien » thien chien
hieu hien » bieu hien, dieu hien, dieu khien
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
da tac » va tac, da tai, da tao
tac va » tac da, tac xa, tuc va
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky lang xa hoi. ((hieu hien) OR (chieu chien)) da tac va thanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky lang xa hoi. ((hieu hien) OR (chieu chien)) da tac va thanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. ((hieu hien) OR (chieu chien)) da tac va thanh di cua triet*.