Perhaps you should try some spelling variations:
nhung cuong » nhung cong, hung cuong, nhung chong
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tang luan » dung luan
tang cua » mang cua, hang cua, thong cua
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - anh ((tang cua) OR (tang luan)) nhung cuong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - anh ((tang cua) OR (tang luan)) nhung cuong ((dan toan) OR (dan than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - anh ((tang cua) OR (tang luan)) nhung cuong ((dan toan) or (dan than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - anh ((tang cua) OR (tang luan)) nhung cuong ((dan toan) or (dan than)) cau*.