Perhaps you should try some spelling variations:
packaged goods » package goods, packaged foods, packaged food
liang liying » jiang liping, liang lilin, liang ying
backed goods » baked goods, backed bonds, backed loans
wang yang » wang yan, wang liang, wang yanling
ein test » ein teil
test der » test bed

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((liang liying) or (wang yang)) ein test der ((backed goods) OR (packaged goods)) law ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang liying) OR (wang yang)) ein test der ((backed goods) OR (packaged goods)) law ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang liying) or (wang yang)) ein test der ((backed goods) OR (packaged goods)) law ;*".