Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thuc day » thuc vat
thuc dan » thuc hanh, hoc dan, thuc vat
hieu ve » hieu va, hieu van
te sai » te tai, te bai, te lai
sai ky » sac ky
ve nam » he nam, va nam, le nam
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 sai ky nang x ho. hieu ve nam ((thuc day) OR (thuc dan)) hanh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang x ho. hieu ve nam ((thuc day) OR (thuc dan)) hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: te sai ky nang x ho. hieu ve nam ((thuc day) OR (thuc dan)) hanh vi cua triet*.