Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh luan » tranh luan, thanh xuan, thanh tuan
van truong » tang truong, xuan truong, vien truong
vang toan » van toan, quang toan, vang trang
dang toan » dang tran, dan toan, dung 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 sach) or (chieu tinh)) - thanh luan van truong cong ((vang toan) OR (dang toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - thanh luan van truong cong ((vang toan) OR (dang toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu tinh)) - thanh luan van truong cong ((vang toan) OR (dang toan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - thanh luan van truong cong ((vang toan) OR (dang toan)) cau*.