Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
danh toan » manh toan, anh toan, dang toan
dan toan » van toan, dan than, manh toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (chiet tach)) - hanh truong cua nhung cong ((danh toan) OR (dan toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - hanh truong cua nhung cong ((danh toan) OR (dan toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chiet tach)) - hanh truong cua nhung cong ((danh toan) OR (dan toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - hanh truong cua nhung cong ((danh toan) OR (dan toan)) cao*.