Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
lanh tranh » canh tranh, lan tranh, hanh trinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
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: theo tieu xanh - ((hanh manh) or (lanh tranh)) cua nhung cong trinh ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh manh) OR (lanh tranh)) cua nhung cong trinh ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh manh) or (lanh tranh)) cua nhung cong trinh ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh manh) or (lanh tranh)) cua nhung cong trinh ((toan cao) OR (toan ban))*.