Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh quan, trinh luan
theo cua » thao cua, tho cua, cheo cua
cua tinh » cua sinh, va tinh, ha tinh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo cua tinh - hanh ((trinh cua) or (trinh luat)) nhung cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cua tinh - hanh ((trinh cua) OR (trinh luat)) nhung cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: theo cua tinh - hanh ((trinh cua) or (trinh luat)) nhung cong san toan ban*.