Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thanh vai » thanh van, thanh tai, thanh oai
hieu su » hieu sau, tieu su, hieu so
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai roi, mai hoi
lai hoa » dai hoa, loai hoc
su chao » su cao, sau chan
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu
xu va » xu van, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky sang ((lai hoi) OR (lai hoa)). hieu su chao xu va ((thanh vai) or (thanh hai)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ((lai hoi) OR (lai hoa)). hieu su chao xu va ((thanh vai) OR (thanh hai)) cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang ((lai hoi) OR (lai hoa)). hieu su chao xu va ((thanh vai) or (thanh hai)) cua tu".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((lai hoi) OR (lai hoa)). hieu su chao xu va ((thanh vai) or (thanh hai)) cua tu*.