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

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 danh van hoi. hieu ve cac ((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 danh van hoi. hieu ve cac ((luc va) OR (tuc va)) hanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu hoach)) ky danh van hoi. hieu ve cac ((luc va) or (tuc va)) hanh tri cua tre*.