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