Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
lam thuc » lam thuoc, am thuc, nam thuc
va thanh » gia thanh, ban thanh, va tinh
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
hai cua » dai cua, hoi cua, lai cua
thuc va » thuc vat, thuc dan, thuc day
sai ky » sac ky
va lam » van lam, va lap

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

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