Perhaps you should try some spelling variations:
san doanh » van doanh, toan doanh, vay doanh
dang xay » dang van, van xay
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
y dang » ky dang, 2 dang, _ dang
ve cap » ve cac, le cap, ve cai
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y dang xay hoi. hieu ve cap cuu ((san doanh) or (ban hanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y dang xay hoi. hieu ve cap cuu ((san doanh) OR (ban hanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y dang xay hoi. hieu ve cap cuu ((san doanh) or (ban hanh)) vi cua tre*.