Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, thong thong, phong chong
trung cap » truong cao, trung tam
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
dan phan » doan phan, dan chan, van phan

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 thanh) or (trung cap)) ((thong cong) or (tong cong)) dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung thanh) OR (trung cap)) ((thong cong) OR (tong cong)) dan phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung thanh) or (trung cap)) ((thong cong) or (tong cong)) dan phan tu*.