Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trong » hanh trang, anh trong, chinh trong
hinh trong » chinh trong, dinh trong, sinh trong
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, dieu hanh, tien anh
cua nhung » va nhung
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than tap » toan tap, han tap, phan tap

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