Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cap thong » cap tong, chap thuong, phap thong
tung cap » trung cap, cung cap, thong cap
cong van » cong vang, song van, cong tan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh tung cap thong ((cong van) OR (cong san)) phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh tung cap thong ((cong van) OR (cong san)) phan tu".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung cap thong ((cong van) OR (cong san)) phan tu*.