Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thanh van » thanh san, thanh toan, thanh nhan
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
ky sang » ky nang, ky tang, duy sang
ky dang » ky nang, ky danh
dua ban » dia ban, cua ban, qua ban
tu sac » tu sach, tu cac, tu san
ca dua » cay dua, ca cua, ca da
van ca » van cau, van cua, dan ca

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) or (ky dang)) ma hoa. hieu van ca dua ban ((thanh van) OR (thanh phan)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky sang) OR (ky dang)) ma hoa. hieu van ca dua ban ((thanh van) OR (thanh phan)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky sang) or (ky dang)) ma hoa. hieu van ca dua ban ((thanh van) OR (thanh phan)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky sang) or (ky dang)) ma hoa. hieu van ca dua ban ((thanh van) OR (thanh phan)) cua tre*.