Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tac, cac nuoc
va danh » va dinh, va dan, va hanh
cho cua » co cua, chi cua, cho ca
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cac tu » cac thu, cach tu, cac du

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 nang ((le hoi) or (ma hoa)). hieu va ((cac tuc) or (cac tu)) va danh cho cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((le hoi) OR (ma hoa)). hieu va ((cac tuc) OR (cac tu)) va danh cho cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((le hoi) or (ma hoa)). hieu va ((cac tuc) or (cac tu)) va danh cho cua triet*.