Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong tai » truong dai, truong thi, truong cao
thuong con » thuong dong, truong cong, thong cong
trung tai » trung tam, trung dai, trong tai
toan phan » thanh phan, toan ban, hoa phan
ho chieu » theo chieu, hoc thieu, doi chieu
con toan » cong toan, mon toan, con than
phan cau » phan dau, phan cac, phan tu

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 - thanh ((trung tai) or (truong tai)) thuong con toan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung tai) OR (truong tai)) thuong con toan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung tai) or (truong tai)) thuong con toan phan cau*.