Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
mai khoi » mai khoa, tai khoa, cac khoi
cap nuoc » dat nuoc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
ve cua » le cua, de cua, te cua
ve cap » ve cac, le cap, ve cai
vu dai » vi dai, va dai, vu hai
dai ky » dan ky, dai ly, sai ky
ma hoi » mai hoi, xa hoi, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu dai ky nang ((((ma hoi) or (mai khoi))) or (ma hoa)). hieu ve cap nuoc va thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu dai ky nang ((((ma hoi) OR (mai khoi))) OR (ma hoa)). hieu ve cap nuoc va thanh ve cua tre.
• Adding a wildcard symbol may retrieve word variants: vu dai ky nang ((((ma hoi) or (mai khoi))) or (ma hoa)). hieu ve cap nuoc va thanh ve cua tre*.