Perhaps you should try some spelling variations:
lam duoc » nam duoc, luat duoc, lam thuoc
va doanh » van doanh, vay doanh, va danh
ma doanh » hoa doanh, van doanh, vay doanh
hieu van » hieu va, thien van, lieu va
cuu tre » cua tre, cau tren, cau treo
van cuu » van cau, van chu, van cu
van lam » van nam
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
te sac » te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te sach)) ky lang xa hoi. hieu van lam duoc ((ma doanh) OR (va doanh)) van cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te sach)) ky lang xa hoi. hieu van lam duoc ((ma doanh) OR (va doanh)) van cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) or (te sach)) ky lang xa hoi. hieu van lam duoc ((ma doanh) OR (va doanh)) van cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te sach)) ky lang xa hoi. hieu van lam duoc ((ma doanh) OR (va doanh)) van cuu tre*.