Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong tuan » cong tan, cong luan, cong thanh
tuan phan » luan phan, toan phan, tuan pham
chi hanh » chi nhanh, chi thanh, thi hanh
tranh va » tranh van, trang va, trinh va
phan dau » phan tu, hang dau
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 hanh - canh tranh va nhung cong tuan phan dau~.
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - canh tranh va nhung cong tuan phan dau*.