Perhaps you should try some spelling variations:
hieu cao » chieu cao, hieu cac, hieu ca
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
rong cho » trong cho, dong cho, luong cho
cua cau » cua cac, cua chu, cua can
xuc van » duc van, luc van, vuc van
te cach » ve cach, te sach, te cac
cho hoc » co hoc, khoa hoc
tu rong » tu trong, tu dong, tu cong
tu cach » tu cac
cua cay » cua 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) OR (tu cach)) tu rong cho hoc. hieu cao chat xuc van hanh vi ((cua cau) or (cua cay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cach) OR (tu cach)) tu rong cho hoc. hieu cao chat xuc van hanh vi ((cua cau) OR (cua cay))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cach) OR (tu cach)) tu rong cho hoc. hieu cao chat xuc van hanh vi ((cua cau) or (cua cay))*".