Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
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 san » cong tac
phan cau » phan dau, phan cac, phan lap

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 san ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung cap thong cong san ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung cap thong cong san ((phan cau) or (phan tu))*.