Perhaps you should try some spelling variations:
dang vinh » dang dinh, dang sinh, dang tinh
hanh cham » thanh cham, thanh pham, khanh pham
thi hanh » thi thanh
sang mai » sang ma, sang tai, lang mai
cham duc » pham duc, cham soc, pham duy
cau treo » cau theo, cau tren, cau triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
va dang » van dang, va nang, va lang
cuu tre » cua tre, cau tren

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 ky sang mai hoi. thi hanh cham duc va dang vinh ((cuu tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky sang mai hoi. thi hanh cham duc va dang vinh ((cuu tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: te sach ky sang mai hoi. thi hanh cham duc va dang vinh ((cuu tre) or (cau treo))*.