Perhaps you should try some spelling variations:
studies der » studie der, studien der, studies das
3 studies » 2 studies
hong than » hong tan, long thanh, hong hai
yang jui » yang judy, yang xi
min hong » amin hong, tin hong, min hyoung
yang yi » yang xi
der a » der _, der e
a min » a main, a mini, a mine

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((((yang yi) OR (yang jui))) or (yang dean))) or (yang di))a 3 studies der a min hong than ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((yang yi) OR (yang jui))) OR (yang dean))) OR (yang di))a 3 studies der a min hong than ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((yang yi) OR (yang jui))) or (yang dean))) or (yang di))a 3 studies der a min hong than ;*".