Perhaps you should try some spelling variations:
giap nguoi » gian nguoi, gap nguoi, gi nguoi
giau nguoi » gian nguoi, phau nguoi, gap nguoi
van hanh » van thanh, ban hanh, van anh
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
vi cua » vai cua, di cua
su sac » su sach, su xac
ma hoi » mai hoi, xa hoi, ma hoa
su cac » tu cac, su cao, su can
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) or (su cac)) ky tang ma hoi. hieu ve ((giap nguoi) or (giau nguoi)) van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su cac)) ky tang ma hoi. hieu ve ((giap nguoi) OR (giau nguoi)) van hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su cac)) ky tang ma hoi. hieu ve ((giap nguoi) or (giau nguoi)) van hanh vi cua te*.