Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh quan, trinh luan
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham 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 chu tinh - hanh ((trinh cua) or (trinh luat)) nhung cong tam toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tinh - hanh ((trinh cua) OR (trinh luat)) nhung cong tam toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - hanh ((trinh cua) or (trinh luat)) nhung cong tam toan ban*.