Perhaps you should try some spelling variations:
chiet tach » chieu sach
canh trinh » canh tranh, hanh trinh, anh trinh
bien tinh » bi tinh, yen tinh, diep tinh
canh tinh » hanh tinh, manh tinh, canh tranh
hang cong » dang cong, hang nong, bang cong
van hang » van khang, van hoang, van thang
cong tac » cong ty
tac chan » tac chuan, tac can, tac chon
chan tu » phan tu, han tu, chon tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((bien tinh) or (chiet tach)) - ((canh trinh) or (canh tinh)) van hang cong tac chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((bien tinh) OR (chiet tach)) - ((canh trinh) OR (canh tinh)) van hang cong tac chan tu.
• Adding a wildcard symbol may retrieve word variants: ho ((bien tinh) or (chiet tach)) - ((canh trinh) or (canh tinh)) van hang cong tac chan tu*.