The keyword has very close relations with the searching item: type the title, writer or, contents in the keyword box and choose the sub-item in the searching item.

You can select the nationality of the author of each thesis.

You can select the designated specialty of each thesis. Although it has not been classified thoroughly or respectively, you can easily find the thesis you need with only rough assumption.

You can select the type of thesis: from presentation or degree sept. In the degree sept, you can choose between the masters degree and doctors degree.

You can select the publishing or announcing year of each thesis.

If you don't select the detailed choices in each sector, the information you need will be searched from the whole data. If so, the server might be loaded too heavily, which can cause the system's down. Therefore, it will be appreciated if you select the detailed choices given.