Perhaps you should try some spelling variations:
dang xay » dang van
xuan loi » quan li, qua loi, van loi
van hanh » van thanh, ban hanh, van anh
lua tre » cua tre, luy tre, dua tren
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
vi lua » vi luu
tuan » quan, tran, luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky ((dang xay) or (van xay)) hoi. hieu qua ((xuan loi) or (tuan le)) van hanh vi lua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky ((dang xay) OR (van xay)) hoi. hieu qua ((xuan loi) OR (tuan le)) van hanh vi lua tre.
• Adding a wildcard symbol may retrieve word variants: te san ky ((dang xay) or (van xay)) hoi. hieu qua ((xuan loi) or (tuan le)) van hanh vi lua tre*.