Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
cua sinh » hoa sinh
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
va sinh » va kinh, va tinh, vi sinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((cua sinh) OR (va sinh)) - hanh tang cua nhung cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((cua sinh) OR (va sinh)) - hanh tang cua nhung cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((cua sinh) OR (va sinh)) - hanh tang cua nhung cong dan toan ban*.