Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
hieu nganh » vien nganh, hiem ngan, hieu manh
hieu xanh » chieu xanh, hieu manh, dieu hanh
thuong va » truong va, thong va, thuong mai
lang cong » dang cong, hang cong, lang dong
bang cong » dang cong, bang song, hang cong
nong phan » nang phan, cong phan, dong phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) OR (hieu nganh)) - thanh thuong va ((lang cong) or (bang cong)) nong phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu nganh)) - thanh thuong va ((lang cong) OR (bang cong)) nong phan tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu nganh)) - thanh thuong va ((lang cong) or (bang cong)) nong phan tu*".