Perhaps you should try some spelling variations:
model pauli » model pull, model public
model paul » model part, model pah, model pam
gender 7.3 » gender 5.3, gender 1.3, gender 3.3
wang tao » wang qiao, huang tao, wang yan
annex 2 » annex 1
7.3 tam » 7.3 ta, 7.3 time
kang » lang, kong, yang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((kang tae) OR (wang tao)) annex 2 gender 7.3 tam ((model paul) OR (model pauli)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((kang tae) or (wang tao)) annex 2 gender 7.3 tam ((model paul) OR (model pauli)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((kang tae) or (wang tao)) annex 2 gender 7.3 tam ((model paul) OR (model pauli)) ;*.