Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
may thoi » gay thoi, may thi, tay thoi
cua tre » cua te, cuu tre, cua triet
ke mang » ke nang, ke trang
dua ban » dia ban, cua ban, qua ban
duc ban » duc tan, duc van, duc man
su sac » su sach, su cac, su xac
sac ke » tac ke, sac ky, cac ke
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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 ke mang may thoi. hieu ((ve cam) or (va cam)) ((duc ban) OR (dua ban)) thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ke mang may thoi. hieu ((ve cam) OR (va cam)) ((duc ban) OR (dua ban)) thanh dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ke mang may thoi. hieu ((ve cam) or (va cam)) ((duc ban) OR (dua ban)) thanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ke mang may thoi. hieu ((ve cam) or (va cam)) ((duc ban) OR (dua ban)) thanh dai cua tre*.