Perhaps you should try some spelling variations:
chu triet » cau triet, chet triet, chua thiet
dinh hai » dinh thai, tinh hai, dinh ha
hieu van » hieu va, thien van, lieu va
nang ma » tang ma, sang ma, nang cao
so sach » so sanh, bo sach, co sach
cau tuc » cau tu, cau luc, cau phuc
xa dinh » xac dinh, va dinh, ba dinh
hai chu » hai chau, hoi chu, hai chi
su sach » vu sach
v nang » va nang, vu nang, van nang
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)) v nang ma hoi. hieu van ((cau tuc) OR (cau truc)) xa dinh hai chu triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) v nang ma hoi. hieu van ((cau tuc) OR (cau truc)) xa dinh hai chu triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) v nang ma hoi. hieu van ((cau tuc) OR (cau truc)) xa dinh hai chu triet*".