Perhaps you should try some spelling variations:
sung qiang » gong qiang
wang yang » wang yan, wang liang, wang yanling
yang gang » yang guang, yang yang, eoyang gang
sun qiang » sun xifang, jun qian, sun ang
jie song » jae song, jin song, kim song
li cong » li rong, jiu cong
li song » li rong, kim song, jin song

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang gang ((sung qiang) OR (sun qiang)) yang ((((li cong) or (li song))) or (jie song)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang gang ((sung qiang) OR (sun qiang)) yang ((((li cong) OR (li song))) OR (jie song)) hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang gang ((sung qiang) OR (sun qiang)) yang ((((li cong) or (li song))) or (jie song)) hai ;".
• Adding a wildcard symbol may retrieve word variants: wang yang gang ((sung qiang) OR (sun qiang)) yang ((((li cong) or (li song))) or (jie song)) hai ;*.