Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
day hanh » day nhanh, day thanh, dao hanh
hieu ve » hieu van
hieu va » lieu va, hieu qua
thu day » thuc day, thu da, thu dac
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang x ho. ((hieu ve) or (hieu va)) nam thu day hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang x ho. ((hieu ve) OR (hieu va)) nam thu day hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang x ho. ((hieu ve) or (hieu va)) nam thu day hanh vi cua triet*.