Perhaps you should try some spelling variations:
using control » losing control, dosing control, pumping control
chang chuan » chung chuan, chang ch'un, chang chen
control bi » control b, control 5, control 4
wang qian » wang qiao, wang qin, wang liang
qian wang » yiqian wang, qian rong, qian yan
wang han » wang yan, kang han, wang ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang qian wang han ((chang chuan) OR (chen chuan)) using control bi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang qian wang han ((chang chuan) OR (chen chuan)) using control bi ;*".