Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
hien nhanh » hien hanh, thien thanh, tien thanh
hien xanh » hien hanh, chieu xanh, hien khanh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cua nhung » va nhung
chong van » thong van, hong van, phong van
dinh cua » dinh cuu, sinh cua, dinh cu
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: hoc ((hien xanh) OR (hien nhanh)) - hanh dinh cua nhung chong van ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - hanh dinh cua nhung chong van ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien nhanh)) - hanh dinh cua nhung chong van ((toan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien nhanh)) - hanh dinh cua nhung chong van ((toan cau) or (toan cao))*.