Perhaps you should try some spelling variations:
thinh khong » tinh khong, trinh khong, thi khong
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, mot chieu
gian dan » gian lang
dan dong » van dong, dan dung, dao dong
dong san » cong san, dong bang, dong von
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 - thinh khong gian dan dong san van ban~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thinh khong gian dan dong san van ban*.