Perhaps you should try some spelling variations:
trung thang » trung thanh, trung tang, truong thanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tham » trung tam, trung thanh, trung ha
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ho ((hieu manh) or (chieu tinh)) - hanh ((trung tham) OR (trung thang)) nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu tinh)) - hanh ((trung tham) OR (trung thang)) nhung cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu tinh)) - hanh ((trung tham) OR (trung thang)) nhung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu tinh)) - hanh ((trung tham) OR (trung thang)) nhung cong dan toan cao*.