Perhaps you should try some spelling variations:
hanh tranh » hanh trinh, hanh trang, lanh tranh
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
chua nang » chuc nang, chua xang, kha nang
nang cong » nang song, dang cong, bang cong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tieu danh)) - ((hanh tranh) OR (canh tranh)) chua nang cong van toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (tieu danh)) - ((hanh tranh) OR (canh tranh)) chua nang cong van toan tap~".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (tieu danh)) - ((hanh tranh) OR (canh tranh)) chua nang cong van toan tap*.