Perhaps you should try some spelling variations:
doanh dan » doanh ban, doanh van, doanh dao
voi doanh » von doanh, tri doanh, hoa doanh
hieu van » hieu va, thien van, lieu va
xach tay » canh tay
dang xay » dang van, van xay
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
xay hoi » xa hoi, tay hoi, cay phoi
sach ty » sach tu, sach thu, sach hay
cua tu » cua tuc, cua su, cua cu

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 ty) OR (xach tay))) or (sach y)) dang xay hoi. hieu van cau tuc voi doanh dan cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((((sach ty) OR (xach tay))) OR (sach y)) dang xay hoi. hieu van cau tuc voi doanh dan cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((((sach ty) OR (xach tay))) or (sach y)) dang xay hoi. hieu van cau tuc voi doanh dan cua tu*".