Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
tuong ho » tong hop
ho nhung » cho nhung, hoa nhung, hoc nhung
cong tan » cong san, cong ty, cong ha
cong tac » cong ty
toan tap » toan ban

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 - thanh tuong ho nhung ((((cong tan) OR (cong tac))) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh tuong ho nhung ((((cong tan) OR (cong tac))) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh tuong ho nhung ((((cong tan) OR (cong tac))) or (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh tuong ho nhung ((((cong tan) OR (cong tac))) or (cong thanh)) toan tap*.