Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, hieu van
hanh tang » anh tang, hanh mang, hanh tung
cua thong » cua thuong, cua khong, cua tong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) OR (nhieu tang)) - ((hanh tang) or (hanh trang)) cua thong cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - ((hanh tang) OR (hanh trang)) cua thong cong dan phan dau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (nhieu tang)) - ((hanh tang) or (hanh trang)) cua thong cong dan phan dau*".