Perhaps you should try some spelling variations:
doanh duoc » doanh cuoc, doanh quoc, dong duoc
tap nguoi » gap nguoi, giap nguoi, tang nguoi
tac nguoi » toc nguoi, thuc nguoi, tich nguoi
tay nguoi » toc nguoi, dao nguoi
hanh hoc » thanh hoc, hinh hoc, anh hoc
tu doanh » su doanh, te doanh, ty doanh
le nguoi » ly nguoi, lam nguoi, den nguoi
tu hanh » du hanh, lu hanh, thuc hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu hanh hoc ((tap nguoi) or (tac nguoi)) ) or ( tu doanh duoc ((le nguoi) or (tay nguoi)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu hanh hoc ((tap nguoi) OR (tac nguoi)) ) OR ( tu doanh duoc ((le nguoi) OR (tay nguoi)) )).
• Adding a wildcard symbol may retrieve word variants: (( tu hanh hoc ((tap nguoi) or (tac nguoi)) ) or ( tu doanh duoc ((le nguoi) or (tay nguoi)) ))*.