Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
hien xanh » hien hanh, hien nhanh, hien khanh
dung cong » dung trong
cao dung » cao dang, cao dong, cao ung
cong tac » cong ty
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) OR (chieu xanh)) - hanh truong cao dung cong tac ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - hanh truong cao dung cong tac ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - hanh truong cao dung cong tac ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - hanh truong cao dung cong tac ((toan cao) or (toan ban))*.