Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
nang xay » dang xay, nganh xay, nang xuan
su sach » so sach, vu sach
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
cac cuc » cac cuoc, cac nuoc, cac cach
sach ky » sac ky, sach y, sach ty
cac cua » cach cua, cac qua, ca 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 ky nang xay hoi. hieu ve ((cac cuc) or (cac cua)) ban thanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xay hoi. hieu ve ((cac cuc) OR (cac cua)) ban thanh vai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xay hoi. hieu ve ((cac cuc) or (cac cua)) ban thanh vai ((cua tre) or (cua te))*.