Perhaps you should try some spelling variations:
cua triet » su triet, va triet
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
cua viet » ca viet, hoa viet, cua vat
cham luc » cham soc, nhan luc, cham cuu
ve cham » va cham, ve chat, vu cham
luc ban » duc ban, cuc ban, luc bat
su sach » vu sach
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa

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) or (so sach)) ky tang ma hoi. hieu ve cham luc ban thanh dai ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky tang ma hoi. hieu ve cham luc ban thanh dai ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ky tang ma hoi. hieu ve cham luc ban thanh dai ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky tang ma hoi. hieu ve cham luc ban thanh dai ((cua triet) OR (cua viet))*.