Perhaps you should try some spelling variations:
trong xay » thong xay, trong cac, trong ca
doanh ban » doanh bat, doanh van, doanh nhan
cham luc » cham soc, nhan luc, cham cuu
trong xa » trong ca, trong xu, trong ba
tu sach » thu sach, su sach, te sach
hanh va » hang va, hanh vi
vu cham » va cham, vu kham, tu cham
sach ty » sach y, sach tu, sach thu
hieu vu » hieu va, hieu ve, hieu su
cuu tre » cua tre, cau tren, cau treo
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((trong xa) OR (trong xay)) hoi. hieu vu cham luc va ((hanh va) or (doanh ban)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((trong xa) OR (trong xay)) hoi. hieu vu cham luc va ((hanh va) OR (doanh ban)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((trong xa) OR (trong xay)) hoi. hieu vu cham luc va ((hanh va) or (doanh ban)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((trong xa) OR (trong xay)) hoi. hieu vu cham luc va ((hanh va) or (doanh ban)) cuu tre*.