Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, tien anh
hanh hang » thanh hang, hang hang, hanh han
cua nhung » va nhung
van khanh » van thanh, van hanh, van anh
khanh cau » nhanh cau, thanh chau, hang cau
ca nhung » cam nhung, va nhung, ca nung
cong van » cong vang, cong san, song van

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 (dieu hanh)) - hanh hang ((ca nhung) OR (cua nhung)) cong van khanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - hanh hang ((ca nhung) OR (cua nhung)) cong van khanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (dieu hanh)) - hanh hang ((ca nhung) OR (cua nhung)) cong van khanh cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - hanh hang ((ca nhung) OR (cua nhung)) cong van khanh cau*.