Perhaps you should try some spelling variations:
trung thanh » truong thanh
hanh trung » thanh trung, hanh trang, manh trung
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dung » thanh duong, thanh tung, thanh hung
dung chung » dung cong, dung ung, dung trung
hieu manh » chieu xanh, hieu nganh, dieu hanh
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, dan than, xuan toan

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 sang)) - hanh trung thanh dung chung ((dan toan) OR (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - hanh trung thanh dung chung ((dan toan) OR (manh toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sang)) - hanh trung thanh dung chung ((dan toan) OR (manh toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - hanh trung thanh dung chung ((dan toan) OR (manh toan)) cao*.