Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, nhanh thanh
lanh tranh » canh tranh, lan tranh, hanh trinh
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
cua thong » cua thuong, cua khong, cua tong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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 - ((((hanh tranh) OR (lanh tranh))) or (hanh trang)) cua thong cong ban than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((((hanh tranh) OR (lanh tranh))) OR (hanh trang)) cua thong cong ban than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((((hanh tranh) OR (lanh tranh))) or (hanh trang)) cua thong cong ban than cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((((hanh tranh) OR (lanh tranh))) or (hanh trang)) cua thong cong ban than cao*.