Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hoc dieu » hoc thieu, hoc hien
trung va » truong va, trang va, trung ha
cong dan » cong san, huong dan, cong dong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu hanh - hanh trung va nhung ((cong dan) or (((cong tan) or (cong tac)))) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - hanh trung va nhung ((cong dan) OR (((cong tan) OR (cong tac)))) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - hanh trung va nhung ((cong dan) or (((cong tan) or (cong tac)))) toan cao*.