Perhaps you should try some spelling variations:
kha nang » phap nang, ky nang, ki nang
van hanh » van thanh, ban hanh, van anh
cac kha » cac khoa, cac nha, cac khu
cao hoc » co hoc, cho hoc, chat hoc
van cac » van hac, dan cac, van ca
van cau » van dau, van hau, van chat
van bac » van ban, van bao, van hac
xuc van » duc van, luc van, vuc van
hanh di » hanh vi, hanh de, hang di
cua cau » cua cac, cua chu, cua cay
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac kha nang cao hoc. hieu ((((van cac) or (van cau))) or (van bac)) xuc van hanh di cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac kha nang cao hoc. hieu ((((van cac) OR (van cau))) OR (van bac)) xuc van hanh di cua cau*.