Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tong thong » thong thong, dong thong, cong thong
hien xanh » hien hanh, hien nhanh, hien khanh
tranh cua » doanh cua, manh cua
thong tan » thong than, thong tran, thong tin
cua tong » cua cong, cua dong, cua nong
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) OR (chieu xanh)) - canh tranh cua tong thong tan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - canh tranh cua tong thong tan ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - canh tranh cua tong thong tan ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - canh tranh cua tong thong tan ((toan cau) or (toan ban))*.