Perhaps you should try some spelling variations:
dang xay » dang van, van xay
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
sach uu » sach luu, sach tu, sach xu
uu dang » huu dang, su dang, vu dang
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
cac luc » coc luc, cac nuoc, cac cuoc
cau luc » cau truc, cau phuc
vai cua » dai cua, hai cua, lai cua
cua su » qua su

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 uu dang xay hoi. hieu va ((cac luc) or (cau luc)) van hanh vai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach uu dang xay hoi. hieu va ((cac luc) OR (cau luc)) van hanh vai cua su.
• Adding a wildcard symbol may retrieve word variants: te sach uu dang xay hoi. hieu va ((cac luc) or (cau luc)) van hanh vai cua su*.