Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu xanh » chieu sach, chieu sang, chieu tinh
cap truong » cac truong, lap truong, cao truong
hieu manh » hieu nganh, dieu hanh, hien hanh
cong cap » cung cap, cong cau, cong cac
ban toan » bai toan, van toan, bao toan
ban than » ban thanh, van thanh, ban hang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (hieu manh)) - thanh cong cap truong cong ((ban toan) OR (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu manh)) - thanh cong cap truong cong ((ban toan) OR (ban than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (hieu manh)) - thanh cong cap truong cong ((ban toan) OR (ban than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu manh)) - thanh cong cap truong cong ((ban toan) OR (ban than)) cau*.