Perhaps you should try some spelling variations:
dang tinh » dang dinh, dang sinh, dang vinh
hanh cham » thanh cham, thanh pham, khanh pham
tinh cuu » trinh cuu, dinh cuu, tinh cua
toc sach » hoc sach, doc sach, thuoc sach
cham duc » pham duc, cham soc, pham duy
thi hanh » thi thanh
va dang » van dang, va nang, va lang
cuu tre » cua tre, cau tren, cau treo
mai hoi » mai khoi, dai hoi, lai hoi
ky tang » ky nang, ky dang, kho tang
ma hoi » xa hoi, ma hoa, me hoi

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) OR (mai hoi)). thi hanh cham duc va dang tinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky tang ((ma hoi) OR (mai hoi)). thi hanh cham duc va dang tinh cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (toc sach)) ky tang ((ma hoi) OR (mai hoi)). thi hanh cham duc va dang tinh cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky tang ((ma hoi) OR (mai hoi)). thi hanh cham duc va dang tinh cuu tre*.