Perhaps you should try some spelling variations:
thanh sang » thanh san, thanh hang, thanh hoang
ban thanh » ban hanh, ban hang
sang cua » mang cua, song cua, hang cua
cua tre » cua te, cuu tre, cua triet
tang xa » trang xa, tang ma, lang xa
duc ban » duc tan, duc van, dua ban
ve cac » va cac, vien cac
sac ky » cac ky
ve cam » ve cham, va cam, ve cai

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) or (sai ky)) tang xa hoi. hieu ((ve cam) or (ve cac)) duc ban thanh sang cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (sai ky)) tang xa hoi. hieu ((ve cam) OR (ve cac)) duc ban thanh sang cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (sai ky)) tang xa hoi. hieu ((ve cam) or (ve cac)) duc ban thanh sang cua tre*.