Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
tao khoang » tao zhang
va phuong » va thuong, cac phuong
tan khoan » toan khoan, tai khoan, tien khoan
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung ha

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 va phuong cong ((tan khoan) OR (tao khoang)) cam~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung va phuong cong ((tan khoan) OR (tao khoang)) cam".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung va phuong cong ((tan khoan) OR (tao khoang)) cam*.