Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cua triet » cua viet, su triet, va triet
phan duc » pham duc, phan tu, phan dau
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve phan » va phan, ke phan, ve phat
duc gia » quoc gia
cua tre » cua te, cuu tre, dua tren
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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. hieu ve phan duc gia thanh lai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu ve phan duc gia thanh lai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu ve phan duc gia thanh lai ((cua tre) or (cua triet))*.