Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cao thuong » cao truong, ca thuong, cho thuong
doi chieu » doc hieu, doi chi, ho chieu
trung cao » truong cao, trung cap, trung co
cong tap » cuong tap, cong tac, cong tan
cong san » cong tac
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh trung cao thuong ((cong tap) or (cong san)) ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung cao thuong ((cong tap) OR (cong san)) ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung cao thuong ((cong tap) or (cong san)) ((toan tai) or (toan tap))*.