Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
dam rein » dam region, am rhein, der rein
kim song » kim young, kim eung
song shu » cong shu, song shin, tong shui
di rein » i rein, der rein
verein » vereins
tan » than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) or (wang yang)) yan ((((di rein) OR (dam rein))) or (der verein)) tan kim song shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yang)) yan ((((di rein) OR (dam rein))) OR (der verein)) tan kim song shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) or (wang yang)) yan ((((di rein) OR (dam rein))) or (der verein)) tan kim song shu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) or (wang yang)) yan ((((di rein) OR (dam rein))) or (der verein)) tan kim song shu ;*.