Perhaps you should try some spelling variations:
books china » bonds china, stocks china
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
sheng suk » chong suk, sheng huo, sheng wu
shen zuo » shen guo, sheng huo, he zuo
8 text » a text, 1 text, 3 text
2 text » 2 test, a text, 1 text

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 yang ((8 text) OR (2 text)) books china ((sheng suk) or (shen zuo)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yang ((8 text) OR (2 text)) books china ((sheng suk) OR (shen zuo)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yang ((8 text) OR (2 text)) books china ((sheng suk) or (shen zuo)) ;*".