Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong dong, truong cong
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thuong con » thuong dong, truong cong, thong cong
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan dau, phan cac, 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: ho chieu xanh - thanh trung cap ((thuong cong) or (thuong con)) dan ((phan cau) OR (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung cap ((thuong cong) OR (thuong con)) dan ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung cap ((thuong cong) or (thuong con)) dan ((phan cau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung cap ((thuong cong) or (thuong con)) dan ((phan cau) OR (phan tu))*.