Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cac tuc » cac toc, cac tu, cac tac
cua tre » cua te, cuu tre, dua tren
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang xa hoi. lieu va cac tuc ((va thanh) or (ban thanh)) vi ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. lieu va cac tuc ((va thanh) OR (ban thanh)) vi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang xa hoi. lieu va cac tuc ((va thanh) or (ban thanh)) vi ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. lieu va cac tuc ((va thanh) or (ban thanh)) vi ((cua tre) OR (cua triet))*.