Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu manh » chieu xanh, hieu nganh, dieu hanh
chau tinh » cuu tinh, ha tinh, cua tinh
trung ha » trung hoc, trung tam, trung cap
ha nhung » hoa nhung, hay nhung, pha nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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 ((hieu manh) or (chau tinh)) - thanh trung ha nhung ((cong dan) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chau tinh)) - thanh trung ha nhung ((cong dan) OR (cong tan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chau tinh)) - thanh trung ha nhung ((cong dan) or (cong tan)) toan cao*.