Perhaps you should try some spelling variations:
cua trung » cua truong, xuan trung, cua nhung
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
hieu cao » chieu cao, hieu cac, hieu ca
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cao cua » ca cua, co cua, cau cua
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu cao cua trung ((va danh) or (va hanh)) dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu cao cua trung ((va danh) OR (va hanh)) dai cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu cao cua trung ((va danh) or (va hanh)) dai cua triet*.