Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
cua nhung » va nhung
cong san » cong tac
san toan » van toan, dan toan, manh toan
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) or (hoc thieu)) xanh - ((hanh tranh) OR (hanh trang)) cua nhung cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (hoc thieu)) xanh - ((hanh tranh) OR (hanh trang)) cua nhung cong san toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (hoc thieu)) xanh - ((hanh tranh) OR (hanh trang)) cua nhung cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (hoc thieu)) xanh - ((hanh tranh) OR (hanh trang)) cua nhung cong san toan cao*.