Perhaps you should try some spelling variations:
points zeng » points using
chang chen » chang ch'un, chang chuan, change when
facon yi » facon ii
yi chang » ii chang, ying chang, jin chang
hort von » horst von, ort von, dort von
dort bin » dort hin, dong bin, dort ii
focal » local

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

• Performing a fuzzy search may retrieve terms with similar spellings: facon yi chang chen focal points zeng ((hort von) OR (((dong sin) OR (dort bin)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "facon yi chang chen focal points zeng ((hort von) OR (((dong sin) OR (dort bin)))) ;*".