Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
ty nang » ky nang, ty xang, ty hang
cua tre » cuu tre, cua triet, dua tren
sach ty » sach y, sach tu, sach thu
hai cuc » tai cuc, hai cua, thai cua
va hai » van hai, va chai, va khai
cuc va » chuc va, duc va, cuu va
ma hoi » mai hoi, ma hoa, me hoi
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: vu sach ty nang ((ma hoi) or (xa hoi)). lieu va hai cuc va thanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang ((ma hoi) OR (xa hoi)). lieu va hai cuc va thanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang ((ma hoi) or (xa hoi)). lieu va hai cuc va thanh vi ((cua tre) or (cua te))*.