Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
dong cua » dung cua, cong cua, huong cua
dan toan » van toan, dan than, manh toan
toan tap » toan ban
ha dong » hoat dong, van dong

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 tinh) or (chieu sach)) - ha dong cua ((nhung cong) or (dung cong)) dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sach)) - ha dong cua ((nhung cong) OR (dung cong)) dan toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu sach)) - ha dong cua ((nhung cong) or (dung cong)) dan toan tap*.