Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cau treo » cau theo, cau tren, cau triet
dua tren » dung tren
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
ve pham » vi pham, v pham, ve phan
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang

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) OR (toc sach)) y nang ma hoi. hieu ve pham duc va thanh lai ((dua tren) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) y nang ma hoi. hieu ve pham duc va thanh lai ((dua tren) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) y nang ma hoi. hieu ve pham duc va thanh lai ((dua tren) or (cau treo))".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) y nang ma hoi. hieu ve pham duc va thanh lai ((dua tren) or (cau treo))*.