Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
duc ban » duc tan, duc van, dua ban
anh hai » lanh hai, manh hai, anh thai
xuc ban » cuc ban, quoc ban, xuat ban
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
cua te » cua tu
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky lang xa hoi. hieu ve cac ((xuc ban) or (duc ban)) anh hai ((cua te) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu ve cac ((xuc ban) OR (duc ban)) anh hai ((cua te) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu ve cac ((xuc ban) or (duc ban)) anh hai ((cua te) or (cua viet))*.