Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
dung cong » dung trong
trung da » trung dai, trung dam, truong da
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan
da dung » dan dung, dat dung, da dang

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 tinh) or (chieu sach)) - hanh trung da dung cong ((dan than) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chieu sach)) - hanh trung da dung cong ((dan than) OR (van than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sach)) - hanh trung da dung cong ((dan than) or (van than)) cau*.