Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
vien thanh » viet thanh, tien thanh, dien thanh
canh manh » lanh manh, canh tranh, cach mang
cua thong » cua thuong, cua khong, cua tong
manh toan » thanh toan, anh tuan, tinh toan
cua sinh » hoa sinh, va sinh
manh cua » doanh cua, ban cua
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((vien thanh) or (cua sinh)) - canh manh cua thong cong ((dan than) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((vien thanh) OR (cua sinh)) - canh manh cua thong cong ((dan than) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((vien thanh) or (cua sinh)) - canh manh cua thong cong ((dan than) or (manh toan)) cau*.