Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
va phuong » va thuong, cac phuong
tac khoan » cac khoan, tai khoan, tao khoang
khoan cam » khoa cam, khoan va, phan cam
trung va » truong va, trang va, trung ha
cong tac » cong ty

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