Perhaps you should try some spelling variations:
cong thanh » cong trinh, cong tan, truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
dong thanh » truong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
tran cau » tran chau, toan cau, ran cau
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - canh tranh va hang ((cong thanh) OR (dong thanh)) tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh tranh va hang ((cong thanh) OR (dong thanh)) tran cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh va hang ((cong thanh) OR (dong thanh)) tran cau*.