Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, hanh trinh, minh trang
cua nhung » va nhung
chi danh » chi dan, chi anh, chi dinh
chi hanh » chi nhanh, chi thanh, thi hanh
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai

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 danh) or (chi hanh)) - ((hanh trang) or (canh tranh)) cua nhung cong van tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi danh) OR (chi hanh)) - ((hanh trang) OR (canh tranh)) cua nhung cong van tuan tai.
• Adding a wildcard symbol may retrieve word variants: doi ((chi danh) or (chi hanh)) - ((hanh trang) or (canh tranh)) cua nhung cong van tuan tai*.