Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan phan » luan van, luan hoan
phan cong » thanh cong
van thanh » ban thanh, van tuan
dan toan » van toan, dan than, manh toan

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 (chau tinh)) - hanh tang luan phan cong ((dan toan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chau tinh)) - hanh tang luan phan cong ((dan toan) OR (van thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (chau tinh)) - hanh tang luan phan cong ((dan toan) or (van thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (chau tinh)) - hanh tang luan phan cong ((dan toan) or (van thanh)) cau*.