Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhan dang » nhan dan, phan dang, tran dang
hang cong » dang cong, hang nong, bang cong
trinh hoa » trinh do
trinh han » trinh quan
dang cua » dung cua, dong cua, mang cua
cua hang » cua dang, cua nhung, cua cong

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 - nhan dang cua hang cong ((((trinh hoa) or (tinh toan))) or (trinh han)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - nhan dang cua hang cong ((((trinh hoa) OR (tinh toan))) OR (trinh han)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - nhan dang cua hang cong ((((trinh hoa) or (tinh toan))) or (trinh han)) cau*.