Perhaps you should try some spelling variations:
tan lanh » tai lanh, thanh lanh, tan thanh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky danh » ky anh, ky dang
danh xa » danh ca, dinh xa, canh xa
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
hai cua » thai cua, dai cua, lai cua
hoi cua » hoi chuc

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 danh xa hoi. ((hieu ve) or (hieu qua)) cac duc tan lanh ((hai cua) or (hoi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky danh xa hoi. ((hieu ve) OR (hieu qua)) cac duc tan lanh ((hai cua) OR (hoi cua)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky danh xa hoi. ((hieu ve) or (hieu qua)) cac duc tan lanh ((hai cua) or (hoi cua)) triet*.