Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
sach thue » sach thieu, sach tham, cach thuc
sach thu » sach thieu, sach tham, cach thuc
va doanh » van doanh, vay doanh, va danh
van cua » vang cua, ban cua, dan cua
bang xa » lang xa, bang va, mang xa
va cham » va chat, va tham
xuc va » duc va, tuc va, luc va
va cam » va cac, va cao, va cai
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach thu) OR (sach thue)) bang xa hoi. hieu ((va cam) or (va cham)) xuc va doanh van cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach thu) OR (sach thue)) bang xa hoi. hieu ((va cam) OR (va cham)) xuc va doanh van cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach thu) OR (sach thue)) bang xa hoi. hieu ((va cam) or (va cham)) xuc va doanh van cua te".
• Adding a wildcard symbol may retrieve word variants: thu ((sach thu) OR (sach thue)) bang xa hoi. hieu ((va cam) or (va cham)) xuc va doanh van cua te*.