Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
hinh cua » chinh cua, sinh cua, tinh cua
dan toan » van toan, dan than, xuan 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 xanh - hanh hinh cua nhung cong ((dan toan) OR (manh toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh hinh cua nhung cong ((dan toan) OR (manh toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh hinh cua nhung cong ((dan toan) OR (manh toan)) cao*.