Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
hanh tri » thanh tri, hanh tai, hanh trinh
ky doanh » ly doanh, ky danh, ty doanh
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
ve cam » ve cham, ve cac, va cam

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) or (thu hoach)) ky doanh van hoi. hieu ve cam ((luc va) or (tuc va)) hanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu hoach)) ky doanh van hoi. hieu ve cam ((luc va) OR (tuc va)) hanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu hoach)) ky doanh van hoi. hieu ve cam ((luc va) or (tuc va)) hanh tri cua tre*.