Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
quoc ban » quoc bao, quoc lan, quoc quan
thanh de » hanh de, thanh ve, thanh do
cua tre » cua te, cuu tre, dua tren
xuc ban » duc ban, cuc ban, xuat ban
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
va lam » van lam, va lap
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 va lam ((xuc ban) OR (quoc ban)) thanh de ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu va lam ((xuc ban) OR (quoc ban)) thanh de ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang xa hoi. hieu va lam ((xuc ban) OR (quoc ban)) thanh de ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu va lam ((xuc ban) OR (quoc ban)) thanh de ((cua tre) or (cua triet))*.