Perhaps you should try some spelling variations:
trinh khong » tinh khong, trinh khung, thinh khong
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, mot chieu
gian dan » gian lang
dan cong » dang cong, van cong, dan dong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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 - trinh khong gian dan cong san toan ban~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - trinh khong gian dan cong san toan ban*.