Perhaps you should try some spelling variations:
hai gender » i gender, ii gender, dac gender
wang yang » wang yan, wang liang, wang yanling
yang dang » yang yang, yang guang, yang liang
yang minh » yang mind, kang minah, anh minh
sang minh » kang minah, anh minh, song min
hong hai » shang hai, zhong tai, hong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang dang hai gender ((yang minh) or (sang minh)) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang dang hai gender ((yang minh) OR (sang minh)) hong hai ;.
• Adding a wildcard symbol may retrieve word variants: wang yang dang hai gender ((yang minh) or (sang minh)) hong hai ;*.