Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
chau tre » chay tren, chau tho, cho tre
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
ma hoi » mai hoi, ma hoa, va hoi
me hoi » le hoi
ve cam » ve cham, ve cac, va cam

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 ky nang ((((ma hoi) OR (me hoi))) or (xa hoi)). hieu ve cam xuc van hanh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((((ma hoi) OR (me hoi))) OR (xa hoi)). hieu ve cam xuc van hanh lai chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((((ma hoi) OR (me hoi))) or (xa hoi)). hieu ve cam xuc van hanh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((((ma hoi) OR (me hoi))) or (xa hoi)). hieu ve cam xuc van hanh lai chau tre*.