Perhaps you should try some spelling variations:
doanh ban » doanh bat, doanh van, doanh nhan
xay doanh » vay doanh, ly doanh, van doanh
cua triet » cua viet, su triet, va triet
sach ky » sac ky, sach ty, sach kem
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
thu xay » thau xay, thuc xay, tu xay
ban cua » ban quan
ma hoi » mai hoi, xa hoi, ma hoa
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) or (sach y)) nang ma hoi. hieu va nam thu xay doanh ban cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) nang ma hoi. hieu va nam thu xay doanh ban cua triet.
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach y)) nang ma hoi. hieu va nam thu xay doanh ban cua triet*.