Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
nang cong » nang song, dang cong, bang cong
cong nong » cong dong, cong cong, cong trong
nong phan » nang phan, cong phan, dong phan
tuong va » truong va, thuong va, luong va
va nang » van nang, da nang, cam nang

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 manh)) - thanh tuong va nang cong nong phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu manh)) - thanh tuong va nang cong nong phan tu*".