Perhaps you should try some spelling variations:
long change » log change, young change, long range
qian wang » yiqian wang, qian rong, qian yan
liang zhi » liang zhu, wang zhi, liang li
qing long » going long, using long
long paul » long haul, hong paul, long call
long tail » long haul
yan zhi » yan zi, wang zhi

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

• Performing a fuzzy search may retrieve terms with similar spellings: qian wang ((liang zhi) or (yan zhi)) qing long change ((long paul) OR (long tail)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian wang ((liang zhi) OR (yan zhi)) qing long change ((long paul) OR (long tail)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian wang ((liang zhi) or (yan zhi)) qing long change ((long paul) OR (long tail)) ;*".