Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
chien duy » hien duy, hien du, chien dau
thuc van » thuc vat, thuc va, thuc hanh
thuc dan » thuc hanh, hoc dan, thuc vat
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
ty nang » ty xang, ty hang, ly nang
vai cua » dai cua, hai cua, lai cua
cua te » cua tu

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 duy ((thuc van) or (thuc dan)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ky nang)) xa hoi. chieu chien duy ((thuc van) OR (thuc dan)) hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) or (ky nang)) xa hoi. chieu chien duy ((thuc van) or (thuc dan)) hanh vai cua te*.