Perhaps you should try some spelling variations:
thanh khong » thanh hong, thinh khong, thanh chuong
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, mot chieu
gian dan » gian lang
dan dung » van dung, tin dung, ap dung
dung san » dong san, dung sai, dung luan
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh khong gian dan dung san van ban~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh khong gian dan dung san van ban*.