Perhaps you should try some spelling variations:
doanh dan » doanh ban, doanh van, doanh dao
sach thue » sach thieu, sach tham, cach thuc
voi doanh » von doanh, tri doanh, hoa doanh
hieu van » hieu va, thien van, lieu va
sach thu » sach thieu, sach tham, cach thuc
dan cua » dan ca, ban cua, dai cua
tuc voi » tuc vong, tuc cuoi, tuc thoi
cau tuc » cau truc, cau tu, cau luc
van cau » van dau, van hau, van chat
lang xa » lang ha, dang xay, lang van
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: te ((((sach thu) OR (sach thue))) or (sach y)) lang xa hoi. hieu van cau tuc voi doanh dan cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((((sach thu) OR (sach thue))) OR (sach y)) lang xa hoi. hieu van cau tuc voi doanh dan cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((((sach thu) OR (sach thue))) or (sach y)) lang xa hoi. hieu van cau tuc voi doanh dan cua te*".