Perhaps you should try some spelling variations:
chieu cao » hieu cac, hieu ca, chieu day
chat luc » chat xuc, chat lua, nhan luc
van hanh » van thanh, ban hanh, van ban
ve triet » va trien, su triet
su sach » so sach, vu sach
ty hang » ly hang, thi hang, thu hang
van anh » van thanh, tuan anh, van minh
lam ve » la ve, lam vu, nam 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 ((ty hang) or (ty xang)) xa hoi. chieu cao chat luc ((van hanh) OR (van anh)) lam ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty hang) OR (ty xang)) xa hoi. chieu cao chat luc ((van hanh) OR (van anh)) lam ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty hang) or (ty xang)) xa hoi. chieu cao chat luc ((van hanh) OR (van anh)) lam ve triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty hang) or (ty xang)) xa hoi. chieu cao chat luc ((van hanh) OR (van anh)) lam ve triet*.