Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong dinh » phuong binh, phuong linh, phuong trinh
chieu xanh » chieu sach, chieu sang, chieu tinh
dinh toan » tinh toan, hinh toan, minh toan
ho chieu » theo chieu, hoc thieu, doi chieu
quan khu » quan ha, quan su
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: ho chieu xanh - thanh trung ((quan khu) OR (quan he)) phuong dinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((quan khu) OR (quan he)) phuong dinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung ((quan khu) OR (quan he)) phuong dinh toan ban*.