Perhaps you should try some spelling variations:
thanh doanh » hanh doanh, thanh toan, chinh doanh
doanh cua » doanh luan
va thanh » gia thanh, ban thanh, va tinh
cua tre » cua te, cuu tre, cua triet
lap duc » lap du, lap doc, giap duc
hieu va » lieu va, hieu qua
dang ha » dong ha, dung ha, lang ha
dang xa » dang xay, lang xa, dang va
sac ky » cac ky
va lap » va dap

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sac ky) or (sai ky)) ((dang xa) or (dang ha)) hoi. hieu va lap duc va thanh doanh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (sai ky)) ((dang xa) OR (dang ha)) hoi. hieu va lap duc va thanh doanh cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (sai ky)) ((dang xa) or (dang ha)) hoi. hieu va lap duc va thanh doanh cua tre*.