Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu manh » tien manh, trieu minh, chieu xanh
chung cong » nhung cong, chong cong, chung thong
phung cong » nhung cong, phong cong, nhung chong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cap » truong cao, trung tam
van chinh » va chinh, lan chinh, van thinh
chinh ban » chinh bao, chinh can, chinh ngan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu manh) or (hieu manh)) - thanh trung cap ((chung cong) OR (phung cong)) van chinh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu manh) OR (hieu manh)) - thanh trung cap ((chung cong) OR (phung cong)) van chinh ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu manh) or (hieu manh)) - thanh trung cap ((chung cong) OR (phung cong)) van chinh ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu manh) or (hieu manh)) - thanh trung cap ((chung cong) OR (phung cong)) van chinh ban*.