Perhaps you should try some spelling variations:
mai khoi » mai khoa, tai khoa, cac khoi
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
vi cua » vai cua, di cua
ve cac » va cac, vien cac
vu sai » vu hai, vu san, vu dai
sai ky » sac 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 sai ky nang ((((ma hoi) OR (mai khoi))) OR (ma hoa)). hieu ve cac nuoc va tinh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky nang ((((ma hoi) OR (mai khoi))) OR (ma hoa)). hieu ve cac nuoc va tinh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sai ky nang ((((ma hoi) OR (mai khoi))) OR (ma hoa)). hieu ve cac nuoc va tinh vi cua tre*.