Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
nang mai » nang ma, lang mai, nang cai
nang tai » hang tai, tang tai, sang tai
hieu va » lieu va, hieu qua
cam dia » cac dia, cam gia, pham dia
cua tre » cuu tre, cua triet, dua tren
tu sac » tu sach, tu cac, tu san
va cam » va cham, va cac, va cao
sac ky » cac ky, sai ky
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: tu sac ky ((nang mai) or (nang tai)) hoi. hieu va cam dia ban thanh tai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang mai) OR (nang tai)) hoi. hieu va cam dia ban thanh tai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang mai) or (nang tai)) hoi. hieu va cam dia ban thanh tai ((cua tre) or (cua te))*.