Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trong » hanh trang, anh trong, hinh trong
tieu xanh » tieu danh, dieu hanh, tien anh
dung cong » dung trong
trong ca » trong cac, trong nha
cong van » cong vang, cong san, song van
van hanh » van thanh, ban hanh, van anh
hanh tai » thanh tai, hang tai, han tai
ca dung » cao dung, cap dung, cu dung

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) or (chieu xanh)) - hanh trong ca dung cong van hanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu xanh)) - hanh trong ca dung cong van hanh tai.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (chieu xanh)) - hanh trong ca dung cong van hanh tai*.