Perhaps you should try some spelling variations:
knowing about » known about, know about, knowing your
ting knowing » seeing knowing, tree knowing
shang ting » zhang ting, shang jin, shao ting
bin zhang » binh thang, li zhang, jia zhang
yang yang » wang yang, wang yan
yan guan » gan guan, yan yuan, yang guang

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

• Performing a fuzzy search may retrieve terms with similar spellings: bin zhang ((yang yang) or (yan guan)) wei shang ting knowing about ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bin zhang ((yang yang) OR (yan guan)) wei shang ting knowing about ;*.