Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
trinh ve » trinh he, trinh va, trinh viet
trinh vi » trinh va, trinh viet, trinh van
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat

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 - canh ((trinh ve) OR (trinh vi)) thong cong tac phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh ((trinh ve) OR (trinh vi)) thong cong tac phan tu".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh ((trinh ve) OR (trinh vi)) thong cong tac phan tu*.