Perhaps you should try some spelling variations:
thong thanh » phong thanh, trong thanh, truong thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong than » thong phan, thong nhan, thong thai
hien xanh » hien hanh, hien nhanh, chieu xanh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
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 - hanh doanh cua thong ((thong than) OR (thong thanh)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh doanh cua thong ((thong than) OR (thong thanh)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh doanh cua thong ((thong than) OR (thong thanh)) ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh doanh cua thong ((thong than) OR (thong thanh)) ((toan cau) or (toan ban))*.