Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec lam » viec va
lam thuc » lam thuoc, am thuc, nam thuc
su triet » su viet, su tien, ve triet
dan hang » ban hang, van hang, dat hang
dang xay » dang van, van xay
thuc dan » thuc hanh, hoc dan, thuc vat
hang di » hang doi, hang vi, hang dien
cuu tre » cua tre, cau tren, cau treo
xay hoi » xa hoi, tay hoi, cay phoi
sac ky » cac ky

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) OR (sai ky)) dang xay hoi. hieu viec lam thuc dan hang di ((su triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) dang xay hoi. hieu viec lam thuc dan hang di ((su triet) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (sai ky)) dang xay hoi. hieu viec lam thuc dan hang di ((su triet) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (sai ky)) dang xay hoi. hieu viec lam thuc dan hang di ((su triet) or (cuu tre))*.