Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
tang van » dang van, hoang van, trong van
cua tre » cua te, cuu tre, cua triet
duc ban » duc tan, duc van, dua ban
tang ma » mang may
sac ky » cac ky, sai ky
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
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 ma) or (tang van)) hoi. hieu ((ve cam) OR (ve cac)) duc ban thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((tang ma) OR (tang van)) hoi. hieu ((ve cam) OR (ve cac)) duc ban thanh dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky ((tang ma) or (tang van)) hoi. hieu ((ve cam) OR (ve cac)) duc ban thanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky ((tang ma) or (tang van)) hoi. hieu ((ve cam) OR (ve cac)) duc ban thanh dai cua tre*.