Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
do van » dao van, vo van
so van » su van, vo van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh tranh cua nhung cong ((do van) OR (so van)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh tranh cua nhung cong ((do van) OR (so van)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh tranh cua nhung cong ((do van) OR (so van)) ban*.