Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tieu » truong tieu, trung hieu, trang tieu
tieu dung » dieu duong, tin dung, viet dung
dung cong » dung trong
tan khoan » toan khoan, tai khoan, tao khoang
cong tan » cong tac, cong san, cong thanh
khoan va » doan va, khoa ma, nhan va

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)) - sinh trung tieu dung cong tan khoan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu tinh)) - sinh trung tieu dung cong tan khoan va.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu tinh)) - sinh trung tieu dung cong tan khoan va*.