Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
ve tham » va tham, ve cham, vi tham
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
hieu ve » hieu va, hieu van
tu nano » truc nano
nano o » nano 1, nano cuo, nano mot
su cac » su cao, su can, eu cac
o ho » o hoc, mo ho, o hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cac) or (tu cac)) tu nano o ho. hieu ve tham thuc va hanh vi ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (tu cac)) tu nano o ho. hieu ve tham thuc va hanh vi ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: ((su cac) or (tu cac)) tu nano o ho. hieu ve tham thuc va hanh vi ((cua triet) or (cua viet))*.