Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
chi sach » chinh sach, chieu sach, co sach
tang cua » mang cua, hang cua, tang luan
toan ban » van ban
doi chi » doi khi

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

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