Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cua truong » cua trung, xuan truong, xa truong
doi chieu » doc hieu, doi chi, ho chieu
khoan cam » khoa cam, khoan va, thuan cam
cong san » cong tac
phan cam » phan cac, phan cau, phan cang

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 ((cua truong) or (cac truong)) cong san ((khoan cam) OR (phan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh trung ((cua truong) OR (cac truong)) cong san ((khoan cam) OR (phan cam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh trung ((cua truong) or (cac truong)) cong san ((khoan cam) OR (phan cam))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung ((cua truong) or (cac truong)) cong san ((khoan cam) OR (phan cam))*.