Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
chi danh » chi dan, chi anh, chi dinh
chi hanh » chi nhanh, chi thanh, thi hanh
trinh va » trinh van, trinh vat, trinh ve
dan chan » dan gian, dan ca, van chat
chan cao » chan cho, chat cao, chay cao

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 trinh va ((nhung cong) or (hang cong)) dan chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi danh) OR (chi hanh)) - hanh trinh va ((nhung cong) OR (hang cong)) dan chan cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chi danh) or (chi hanh)) - hanh trinh va ((nhung cong) or (hang cong)) dan chan cao*.