Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, voi doanh
doanh ban » doanh bat, doanh van, doanh nhan
thu sach » tu sach, thuat sach, thuoc sach
thu san » thuy san, thu ban, phu san
hieu va » hieu qua
cac lao » ca lao, cac loai, cac giao
lao vay » lao va
ban muu » ban muon
muu tre » cuu tre, muu tri
x hoi » xa hoi, o hoi, x ho

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 (thu san)) ky nang x hoi. ((hieu va) or (lieu va)) cac lao vay doanh ban muu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thu san)) ky nang x hoi. ((hieu va) OR (lieu va)) cac lao vay doanh ban muu tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thu san)) ky nang x hoi. ((hieu va) or (lieu va)) cac lao vay doanh ban muu tre*.