Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
lanh hai » manh hai, thanh hai, lang chai
su sach » so sach, vu sach
duc ban » duc tan, duc van, dua ban
cuu tre » cua tre, cau tren, cau treo
sach ky » sac ky, sach y, sach ty
xuc ban » cuc ban, quoc ban, xuat ban
hieu ve » hieu va, hieu van
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
ve cam » ve cham, ve cac, va cam

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 ky dang xay hoi. hieu ve cam ((xuc ban) OR (duc ban)) lanh hai ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang xay hoi. hieu ve cam ((xuc ban) OR (duc ban)) lanh hai ((cua triet) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky dang xay hoi. hieu ve cam ((xuc ban) OR (duc ban)) lanh hai ((cua triet) or (cuu tre))*".