Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
dang cong » dung cong
sinh cua » manh cua, dinh cuu, sinh va
cong tap » cuong tap, cong tac, cong tan
tap van » tap va, tap vat, tap quan
luat » luan, xuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh ((trinh luat) or (sinh cua)) dang cong tap van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh ((trinh luat) OR (sinh cua)) dang cong tap van ban*.