Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
hanh trang » thanh trung, hanh trinh, minh trang
hieu manh » chieu xanh, hieu nganh, dieu hanh
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong tan » cong tac, cong san, cong thanh
tan dung » tran dung, tin dung, dan dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) OR (hieu manh)) - ((hanh trang) or (canh tranh)) van dung cong tan dung tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (hieu manh)) - ((hanh trang) OR (canh tranh)) van dung cong tan dung tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (hieu manh)) - ((hanh trang) or (canh tranh)) van dung cong tan dung tai".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (hieu manh)) - ((hanh trang) or (canh tranh)) van dung cong tan dung tai*.