Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong tong » thong thong, thong trong, thong cong
hieu manh » hieu nganh, dieu hanh, hieu van
hien hanh » dieu hanh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cua thong » cua thuong, cua khong, cua tong
tong quan » thong quan, tong luan, luong quan
hinh cua » chinh cua, sinh cua, tinh cua
quan tan » quan tai, quan van, quai tan
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hieu manh) or (hien hanh))) or (chieu xanh)) - hanh hinh cua thong tong quan tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (hien hanh))) OR (chieu xanh)) - hanh hinh cua thong tong quan tan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (hien hanh))) or (chieu xanh)) - hanh hinh cua thong tong quan tan cau*.