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
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cac tuc » cac toc, cac tu, cac tac
xa tinh » va tinh, ha tinh, ca tinh
tinh di » tinh doi, trinh di, tinh da
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: te sach ky nang xa hoi. ((hieu hien) OR (chieu chien)) cac tuc xa tinh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. ((hieu hien) OR (chieu chien)) cac tuc xa tinh di cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. ((hieu hien) OR (chieu chien)) cac tuc xa tinh di cua triet*.