Perhaps you should try some spelling variations:
form 3.2.1.3 » form 3.4.1.3, forma 5.2.1.1, form 7.2.1
liang zili » liang lilin, liang zhi, yang zili
form 3.2.3 » form 6.2.3, form 2.2.2, form 7.2.1
liang li » ling li, qiang li, liang wei
david ma » david a, david m, david mant
ma hai » ma hao
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((liang zili) OR (liang li)) ((form 3.2.1.3) OR (form 3.2.3)) david ma hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((liang zili) or (liang li)) ((form 3.2.1.3) OR (form 3.2.3)) david ma hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((liang zili) or (liang li)) ((form 3.2.1.3) OR (form 3.2.3)) david ma hai ;*.