Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
khong cang » thong cong, hong bang, khong dung
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, hoc thieu, mot chieu
cang dan » cong dan, tang dan, canh dan
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: ((doi chieu) OR (ho chieu)) xanh - hanh tranh cua khong cang dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - hanh tranh cua khong cang dan ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) xanh - hanh tranh cua khong cang dan ((toan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) xanh - hanh tranh cua khong cang dan ((toan cau) or (toan cao))*.