Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
va truong » van truong, xa truong, va thuong
cong ban » cong bang, cong san, cong tan
khan cap » than cap, khoan cam, phan cac
tung va » trung va, tuong va, dung va
khan ap » han ap, khan dam

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 sach)) - thanh tung va truong cong ban ((khan cap) OR (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - thanh tung va truong cong ban ((khan cap) OR (khan ap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - thanh tung va truong cong ban ((khan cap) OR (khan ap))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - thanh tung va truong cong ban ((khan cap) OR (khan ap))*.