Perhaps you should try some spelling variations:
hanh trinh » canh tranh
thong cong » trong cong, tong cong, thong thong
hien xanh » hien hanh, hien nhanh, chieu xanh
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
va thong » va thuong, va phuong, he thong
toan cau » 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 - ((hanh trinh) or (hanh chinh)) va thong cong dang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh trinh) OR (hanh chinh)) va thong cong dang toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh trinh) or (hanh chinh)) va thong cong dang toan cau*.