Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
cham sat » cham mat, cham soc, khao sat
sat van » sat va, hat van, hoat van
ky sang » ky dang, ky tang, duy sang
vai cua » dai cua, hai cua, lai cua
duy van » duy vat, dung van
dai hai » dai han, dai hoi, dai tai
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
tu sac » tu sach, tu cac, tu san
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: tu sac ((((ky sang) or (duy van))) or (ky nang)) dai hai. hieu vu cham sat van hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((((ky sang) OR (duy van))) OR (ky nang)) dai hai. hieu vu cham sat van hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ((((ky sang) or (duy van))) or (ky nang)) dai hai. hieu vu cham sat van hanh vai cua te*.