Perhaps you should try some spelling variations:
su sach » so sach, vu sach
cua tre » cua te, cua triet, dua tren
van anh » van thanh, tuan anh, van minh
duc van » duc va, duc tan, duc manh
cac duc » cac du, cao duc, cac dac
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
tang ma » mang may, tang van
tang xa » trang xa, lang xa, tang ha
cuu tre » cau tren, cau treo
anh vi » hanh vi, anh va, anh ve

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 xa) OR (tang ma)) hoi. hieu va cac duc van anh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((tang xa) OR (tang ma)) hoi. hieu va cac duc van anh vi ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((tang xa) OR (tang ma)) hoi. hieu va cac duc van anh vi ((cua tre) or (cuu tre))*".