Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trung cap » truong cao, trung tam
cap trong » cay trong, ca trong, cad trong
khoan cam » khoan va, phan cam, thuan cam
cong san » cong tac
khoa cam » khoa kham, khoa ma, hoa cac

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