Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
quan thanh » ban thanh, van thanh
cong bang » cuong bang, dong bang, hong bang
bang phan » nang phan, bang nhan, bang thanh
phan cac » nhan cach, phan dau, phan lap

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 - thanh ((trung tam) or (quan thanh)) trong cong bang phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh ((trung tam) OR (quan thanh)) trong cong bang phan cac*.