Perhaps you should try some spelling variations:
wang liang » wang yang
mekong du » mekong sub
gang min » gong min, tang min, chang min
jeong du » jeong _, jeong mi, jeong 情
jeong su » jeong _, jeong mi, jeong 情
yang li » yang lin, yang di, yang xi
yan li » yuan li, gan li, tan li

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 ((yan li) or (yang li)) ii gang min ((((jeong du) OR (jeong su))) or (mekong du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((yan li) OR (yang li)) ii gang min ((((jeong du) OR (jeong su))) OR (mekong du)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((yan li) or (yang li)) ii gang min ((((jeong du) OR (jeong su))) or (mekong du)) ;*".