Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
cua sinh » hoa sinh, va sinh
hang cua » hang ca, huong cua, thong cua
mang cua » manh cua, dung cua, ban cua
toan tap » toan ban
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((trieu tinh) or (cua sinh)) - hanh ((hang cua) OR (mang cua)) nhung cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((trieu tinh) OR (cua sinh)) - hanh ((hang cua) OR (mang cua)) nhung cong manh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((trieu tinh) or (cua sinh)) - hanh ((hang cua) OR (mang cua)) nhung cong manh toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((trieu tinh) or (cua sinh)) - hanh ((hang cua) OR (mang cua)) nhung cong manh toan tap*.