Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
lanh tranh » canh tranh, lan tranh, hanh trinh
trinh toan » tinh toan, thanh toan, trinh han
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
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: theo tieu xanh - ((hanh manh) or (lanh tranh)) cua nhung cong trinh toan cao~.
• 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.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh manh) or (lanh tranh)) cua nhung cong trinh toan cao*.