Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thanh hai » thanh hoa, thanh san
cua tre » cua te, cuu tre, cua triet
va cham » va chat, va tham
ve cham » ve chat, vu cham, ve chim
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky tang xa hoi. hieu ((ve cham) OR (va cham)) duc tan ((thanh hai) or (thanh phan)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang xa hoi. hieu ((ve cham) OR (va cham)) duc tan ((thanh hai) OR (thanh phan)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky tang xa hoi. hieu ((ve cham) OR (va cham)) duc tan ((thanh hai) or (thanh phan)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky tang xa hoi. hieu ((ve cham) OR (va cham)) duc tan ((thanh hai) or (thanh phan)) cua tre*.