Perhaps you should try some spelling variations:
liang liang » liang liying, lian xiang, liang ying
wang liang » wang yang
yang minh » sang minh, yang mind, kang minah
song ming » song bing, song min, gong min
zhong tai » hong tan, zhong zhi
hong hai » shang hai, dang hai, hong tan
liang a » lang a, liang _, liang dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang liang a gender ((yang minh) or (song ming)) ((hong hai) OR (zhong tai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang liang a gender ((yang minh) OR (song ming)) ((hong hai) OR (zhong tai)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang liang a gender ((yang minh) or (song ming)) ((hong hai) OR (zhong tai)) ;".
• Adding a wildcard symbol may retrieve word variants: wang liang liang a gender ((yang minh) or (song ming)) ((hong hai) OR (zhong tai)) ;*.