Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
hoa doanh » toan doanh, hoa dan
trung ung » trung uong, trung dung, trung hung
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: cao ((cho doanh) or (hoa doanh)) - manh trung ung dung cong dan ((than ban) OR (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao ((cho doanh) OR (hoa doanh)) - manh trung ung dung cong dan ((than ban) OR (than man)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cao ((cho doanh) or (hoa doanh)) - manh trung ung dung cong dan ((than ban) OR (than man))".
• Adding a wildcard symbol may retrieve word variants: cao ((cho doanh) or (hoa doanh)) - manh trung ung dung cong dan ((than ban) OR (than man))*.