Perhaps you should try some spelling variations:
dang vinh » dang dinh, dang sinh, dang tinh
vinh cuu » dinh cuu, sinh cua, dinh cu
toc sach » hoc sach, doc sach, thuoc sach
cham duc » pham duc, cham soc, pham duy
va dang » van dang, va nang, va lang
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
cuu tre » cua tre, cau tren, cau treo
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) or (toc sach)) ky tang ma hoi. ((thi hanh) OR (thi thanh)) cham duc va dang vinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky tang ma hoi. ((thi hanh) OR (thi thanh)) cham duc va dang vinh cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (toc sach)) ky tang ma hoi. ((thi hanh) OR (thi thanh)) cham duc va dang vinh cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky tang ma hoi. ((thi hanh) OR (thi thanh)) cham duc va dang vinh cuu tre*.