Perhaps you should try some spelling variations:
khanh thuan » khanh thuong, thanh tuan, khan than
duong cong » dung cong, luong cong, duong trong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh luan » khanh luan, hang luan, hanh luat
van duong » van dong, van dung, van phong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((hanh luan) or (khanh thuan)) van duong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh luan) OR (khanh thuan)) van duong cong dan than cau*.