Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, thien tinh, lieu tinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
dong trong » duong trong, dung trong, cong trong
canh luan » doanh luan, tranh luan, chinh luan
san phan » san pham, van phan, dan phan
sat phan » sat nhan, vat phan, xuat phan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu tinh) OR (chieu tinh)) - canh luan van dong trong ((san phan) or (sat phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (chieu tinh)) - canh luan van dong trong ((san phan) OR (sat phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu tinh) OR (chieu tinh)) - canh luan van dong trong ((san phan) or (sat phan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) OR (chieu tinh)) - canh luan van dong trong ((san phan) or (sat phan)) cau*.