Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh hang » thanh hang, hang hang, hanh han
dung cong » dung trong
hang cua » mang cua, hang ca, huong cua
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
toan cau » toan tap, toan tai
toan cao » toan tap
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 hang cua dung cong tac ((toan cau) or (((toan cao) OR (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh hang cua dung cong tac ((toan cau) OR (((toan cao) OR (toan ban))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh hang cua dung cong tac ((toan cau) or (((toan cao) OR (toan ban))))*".