Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
cham cao » cham vao, chat cao, chay cao
cao van » cac van, dao van, cao dang
cao hoi » co hoi, cao hoc, tao hoi
vai cua » dai cua, hai cua, lai cua
hieu vu » hieu ve, hieu su, dieu vu
lanh ky » hanh ky, nganh ky, thanh ky
hieu va » lieu va, hieu qua
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: thuat lanh ky nang ((cao hoi) or (cau hoi)). ((hieu vu) OR (hieu va)) cham cao van hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ky nang ((cao hoi) OR (cau hoi)). ((hieu vu) OR (hieu va)) cham cao van hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ky nang ((cao hoi) or (cau hoi)). ((hieu vu) OR (hieu va)) cham cao van hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: thuat lanh ky nang ((cao hoi) or (cau hoi)). ((hieu vu) OR (hieu va)) cham cao van hanh vai cua te*.