Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
ban hanh » ban hang
nano cho » nang cho, nano cuo, nang chon
cac duc » cac du, cao duc, cac dac
cua cau » cua cac, cua chu, cua can
duc ban » duc tan, duc van, dua ban
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
cua cay » cua cac
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((cach tu) or (cach thuc)) nano cho hoc. hieu ve cac duc ban hanh vi ((cua cau) OR (cua cay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((cach tu) OR (cach thuc)) nano cho hoc. hieu ve cac duc ban hanh vi ((cua cau) OR (cua cay))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((cach tu) or (cach thuc)) nano cho hoc. hieu ve cac duc ban hanh vi ((cua cau) OR (cua cay))*".