Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
dung tren » dung trong, dung trung
va thanh » gia thanh, ban thanh, va tinh
phan duc » pham duc, phan tu, phan dau
cuu tre » cua tre, cau tren, cau treo
sach tu » sach thu, cach tu, sach ty
te sach » toc sach
ve phan » va phan, ke phan, ve phat
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
tu nang » tru nang, tu nong, tu nano
ca tren » cau tren, cu tren, la tren
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 tu nang ma hoi. hieu ve phan duc va thanh lai ((dung tren) or (((cuu tre) or (ca tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu nang ma hoi. hieu ve phan duc va thanh lai ((dung tren) OR (((cuu tre) OR (ca tren)))).
• Adding a wildcard symbol may retrieve word variants: te sach tu nang ma hoi. hieu ve phan duc va thanh lai ((dung tren) or (((cuu tre) or (ca tren))))*.