Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
nam nhat » pham nhat, am nhac, cam nhan
thanh vi » hanh vi, thanh va, thanh ve
dang xay » dang van, van xay
nam qua » nam quan, nam cua, nam mua
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach ty, sach kem
xay hoi » xa hoi, tay hoi, cay phoi
vi cua » vai cua, di cua

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 ky) or (sach y)) dang xay hoi. lieu va ((nam nhat) or (nam qua)) van thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) dang xay hoi. lieu va ((nam nhat) OR (nam qua)) van thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) dang xay hoi. lieu va ((nam nhat) or (nam qua)) van thanh vi cua tre*.