Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban mach » ban sach, ranh mach, ban hanh
so sach » so sanh, bo sach, co sach
vu sach » vu bach, su sach, vu khach
ky danh » ky anh, ky dang
danh xa » danh ca, dinh xa, canh xa
hieu va » lieu va, hieu qua
ba mach » tao mach
hai cua » thai cua, dai cua, hoi cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (vu sach)) ky danh xa hoi. hieu va cac dan ((ba mach) OR (ban mach)) hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (vu sach)) ky danh xa hoi. hieu va cac dan ((ba mach) OR (ban mach)) hai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (vu sach)) ky danh xa hoi. hieu va cac dan ((ba mach) OR (ban mach)) hai cua triet*".