Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, lieu vien
cac dang » cao dang, cac dan, cac cong
chat huu » pham huu
so sanh » do sanh
cao hoi » cau hoi, co hoi, cao hoc
cac xuc » cam xuc, cac nuoc, chat xuc
sanh ky » hanh ky, sang ky, nganh ky
dang co » dong co, dung co, dang do
co cua » con cua, ca cua, cong cua
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ky nang cao hoi. hieu vien ((((cac xuc) or (hoc nuoc))) or (chat huu)) cac dang co cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ky nang cao hoi. hieu vien ((((cac xuc) OR (hoc nuoc))) OR (chat huu)) cac dang co cua su.
• Adding a wildcard symbol may retrieve word variants: so sanh ky nang cao hoi. hieu vien ((((cac xuc) or (hoc nuoc))) or (chat huu)) cac dang co cua su*.