Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
chien bach » vien bach, chien dich, thien hach
bach duc » bach tuoc, sach duoc, thach duc
su sach » so sach, vu sach
ty nang » ty xang, ty hang, ly nang
hanh va » hang va
huu tre » huu tri, cuu tre, huu them

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 ((ty nang) OR (ky nang)) xa hoi. chieu chien bach duc va ((hanh va) or (hanh vi)) huu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ky nang)) xa hoi. chieu chien bach duc va ((hanh va) OR (hanh vi)) huu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ky nang)) xa hoi. chieu chien bach duc va ((hanh va) or (hanh vi)) huu tre*".