Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
va thanh » gia thanh, ban thanh, va tinh
huu them » huu thu, huu thuc, huu liem
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
dai huu » dao huu, dai hau, dai thua
y nang » ky nang, ly nang, v nang
ma hoi » xa hoi, me hoi, va hoi
ve cac » va cac, vien cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((((ma hoi) OR (mai hoi))) OR (ma hoa)). hieu ve cac duc va thanh dai huu them~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((((ma hoi) OR (mai hoi))) or (ma hoa)). hieu ve cac duc va thanh dai huu them~".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((((ma hoi) OR (mai hoi))) or (ma hoa)). hieu ve cac duc va thanh dai huu them*.