Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
chien bach » vien bach, chien dich, thien hach
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
huu tre » cuu tre, huu them, huu tien
huu tri » huu tai
xac va » tac va, ac va, bac va

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 ty nang xa hoi. chieu chien bach ((xac va) or (duc va)) hang va ((huu tre) OR (huu tri))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. chieu chien bach ((xac va) OR (duc va)) hang va ((huu tre) OR (huu tri)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. chieu chien bach ((xac va) or (duc va)) hang va ((huu tre) OR (huu tri))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. chieu chien bach ((xac va) or (duc va)) hang va ((huu tre) OR (huu tri))*.