Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
dang mam » dang nam, dang mau, dang mat
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
duc gia » quoc gia
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((tang ma) or (dang mam)) hoi. hieu va cam duc gia thanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((tang ma) OR (dang mam)) hoi. hieu va cam duc gia thanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((tang ma) or (dang mam)) hoi. hieu va cam duc gia thanh tai cua tre*.