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
toc sach » hoc sach, doc sach, thuoc sach
cau treo » cau theo, cau tren, cau triet
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
sach ty » sach y, sach tu, sach thu
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau 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: toc sach ty nang ma hoi. hieu ve pham duc va thanh lai ((dung tren) or (((cuu tre) OR (cau treo))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty nang ma hoi. hieu ve pham duc va thanh lai ((dung tren) OR (((cuu tre) OR (cau treo)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty nang ma hoi. hieu ve pham duc va thanh lai ((dung tren) or (((cuu tre) OR (cau treo))))".
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang ma hoi. hieu ve pham duc va thanh lai ((dung tren) or (((cuu tre) OR (cau treo))))*.