Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
te sach » toc sach
ve phan » va phan, ke phan, ve phat
lai cua » dai cua, hai cua, lai chau
duc gia » quoc gia
duy gia » duy gian, quy gia, duy nghia
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ma hoi » xa hoi, ma hoa, 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: te sach y nang ((ma hoi) OR (mai hoi)). hieu ve phan ((duy gia) or (duc gia)) thanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ma hoi) OR (mai hoi)). hieu ve phan ((duy gia) OR (duc gia)) thanh lai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((ma hoi) OR (mai hoi)). hieu ve phan ((duy gia) or (duc gia)) thanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((ma hoi) OR (mai hoi)). hieu ve phan ((duy gia) or (duc gia)) thanh lai cua tre*.