Perhaps you should try some spelling variations:
danh hai » dang hai, lanh hai, manh hai
nghe nam » nghe lam, nghiep nam, nghe nano
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
hai cuu » hai cua, hai chu, hai cuc
cuu tre » cua tre, cau tren, cau treo
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
he nam » ha nam
thu xa » thu xac, thu ha, thu ba
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: su sach ky tang ma hoi. hieu ((he nam) or (nghe nam)) ((thu xa) OR (thu xe)) danh hai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky tang ma hoi. hieu ((he nam) OR (nghe nam)) ((thu xa) OR (thu xe)) danh hai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky tang ma hoi. hieu ((he nam) or (nghe nam)) ((thu xa) OR (thu xe)) danh hai cuu tre*".