Perhaps you should try some spelling variations:
doanh vien » doanh tien, doanh chien, thanh vien
vat doanh » van doanh, vay doanh, va doanh
thu sach » tu sach, thuat sach, thuoc sach
qua cac » cua cac
vien da » vien dai, hien dai
qua cau » quan cau, qua ca, qua cai
lang ha » long ha
te sach » toc sach
ha hoi » hoa hoi, ha noi, xa hoi
da tao » dao tao, de tao, da bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (te sach)) _ lang ha hoi. hieu ((qua cau) or (qua cac)) thuc vat doanh vien da tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (te sach)) _ lang ha hoi. hieu ((qua cau) OR (qua cac)) thuc vat doanh vien da tao.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (te sach)) _ lang ha hoi. hieu ((qua cau) or (qua cac)) thuc vat doanh vien da tao*.