Perhaps you should try some spelling variations:
doan dau » doan dieu, phan dau, doan va
te sach » toc sach
cua tre » cua te, cua triet, dua tren
ca doan » ca dan, chan doan, cac doanh
thuc ca » thuc cua, thuc can, thuc cao
vu kham » vu khanh
sach ky » sac ky, sach y, sach ty
vu nham » vu cham, sua nham
nang ma » tang ma, sang ma, nang cao
cuu tre » cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ma hoi. hieu ((vu nham) or (vu kham)) thuc ca doan dau ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoi. hieu ((vu nham) OR (vu kham)) thuc ca doan dau ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. hieu ((vu nham) or (vu kham)) thuc ca doan dau ((cua tre) or (cuu tre))*.