Perhaps you should try some spelling variations:
haul main » haul mapping
dong sign » dong sin, among sign, dong bin
min jeong » kin keong, min hong, mun leong
jeong hai » jeong han, hong hai, jeong mi
hua main » a main, hua ban
han min » han men, kan min, chan ming
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (dong sign)) ya ((hua main) OR (haul main)) han min jeong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (dong sign)) ya ((hua main) OR (haul main)) han min jeong hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yan) or (dong sign)) ya ((hua main) OR (haul main)) han min jeong hai ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (dong sign)) ya ((hua main) OR (haul main)) han min jeong hai ;*.