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
chay cao » cay cao, chat cao, nha cao
cham cao » cham vao, chat cao, chao chao
hieu vu » hieu va, hieu ve, hieu su
lanh ty » lanh tu, canh tay, lanh tho
cao hoi » co hoi, cao hoc, tao hoi
ty nang » ky nang, ty xang, ty hang
vai cua » dai cua, hai cua, lai cua
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 ty nang ((cao hoi) or (cau hoi)). hieu vu ((cham cao) OR (chay cao)) van hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ty nang ((cao hoi) OR (cau hoi)). hieu vu ((cham cao) OR (chay cao)) van hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ty nang ((cao hoi) or (cau hoi)). hieu vu ((cham cao) OR (chay cao)) van hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: thuat lanh ty nang ((cao hoi) or (cau hoi)). hieu vu ((cham cao) OR (chay cao)) van hanh vai cua te*.