Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
dung tren » dung trong, dung trung
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
duc gia » quoc gia
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
hieu v » hieu va, hieu ve, hieu 2
v pham » vi pham, d pham

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