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, gong min, jong min
song min » gong min, jong min, song jin
liang a » lang a, liang _, liang dan
hai » hadi, haji, hari

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