Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, ran cau, tra cau
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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