Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
nang dau » hang dau, xang dau, nang du
phan huy » phan tu, phan xay, van huy
ban hanh » ban hang
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
ve phan » va phan, ke phan, ve phat
hieu ve » hieu va, hieu van
dau hoa » dau khoa, cau hoa, dai hoa
sac ky » cac ky, sai ky
tu sac » tu sach, tu cac, tu san

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 dau hoa. hieu ve phan huy ((va thanh) or (ban hanh)) vai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang dau hoa. hieu ve phan huy ((va thanh) OR (ban hanh)) vai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang dau hoa. hieu ve phan huy ((va thanh) or (ban hanh)) vai ((cua tre) or (cuu tre))*.