Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hinh sinh » tinh sinh, hinh dinh, hinh kinh
cua trong » cua truong, cua trung, qua trong
sinh cua » manh cua, dinh cuu, sinh va
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: theo ((chieu xanh) OR (chieu sach)) - hinh sinh cua trong ((cong san) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - hinh sinh cua trong ((cong san) OR (cong tac)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sach)) - hinh sinh cua trong ((cong san) or (cong tac)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sach)) - hinh sinh cua trong ((cong san) or (cong tac)) toan tap*.