Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
cuu nang » chuc nang, cam nang, cuu van
anh manh » lanh manh, anh anh, anh danh
manh cua » doanh cua, ban cua
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
ha dong » hoat dong, van dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((ha dong) or (cuu nang)) - anh manh cua thuong cong ((dan toan) OR (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((ha dong) OR (cuu nang)) - anh manh cua thuong cong ((dan toan) OR (van toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((ha dong) or (cuu nang)) - anh manh cua thuong cong ((dan toan) OR (van toan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo ((ha dong) or (cuu nang)) - anh manh cua thuong cong ((dan toan) OR (van toan)) cao*.