Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
duoc va » nuoc va, duoc ma, duong va
van cua » vang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet
va lam » van lam, va lap

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 ty)) lang xa hoi. lieu va lam ((duoc va) or (duc va)) doanh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach ty)) lang xa hoi. lieu va lam ((duoc va) OR (duc va)) doanh van cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach ty)) lang xa hoi. lieu va lam ((duoc va) or (duc va)) doanh van cua tre*.