Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cam thuc » am thuc, nam thuc, cam thu
cho cua » co cua, chi cua, cho ca
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
hieu ve » hieu va, hieu van
cao hoc » co hoc, cho hoc, chat hoc
cao hoi » cau hoi, co hoi, tao hoi
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam

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) or (sach y)) nang ((cao hoi) OR (cao hoc)). hieu ve cam thuc va danh cho cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (sach y)) nang ((cao hoi) OR (cao hoc)). hieu ve cam thuc va danh cho cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) or (sach y)) nang ((cao hoi) OR (cao hoc)). hieu ve cam thuc va danh cho cua triet".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (sach y)) nang ((cao hoi) OR (cao hoc)). hieu ve cam thuc va danh cho cua triet*.