Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
doanh cua » doanh luan
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, tu cach, vu sach
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va chao » va cao, va chat, va cham
cua cua » cua chua, ca cua, qua cua
y nang » ky nang, ly nang, v nang
xu van » tu van, vu van, su van
cua tu » cua tuc, cua su, cua cu

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) or (thu sach))) or (te sach)) y nang ma hoa. hieu va chao xu van doanh cua cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (thu sach))) OR (te sach)) y nang ma hoa. hieu va chao xu van doanh cua cua tu.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (thu sach))) or (te sach)) y nang ma hoa. hieu va chao xu van doanh cua cua tu*.