Perhaps you should try some spelling variations:
dang manh » dang hanh, dang minh, duong manh
thu sach » tu sach, thuat sach, thuoc sach
manh hoi » manh hai, manh ho, manh hon
hanh vai » hanh vi, hanh tai, hanh van
hanh va » hang va, hanh vi
ve cham » va cham, ve chat, vu cham
cuu tre » cua tre, cau tren, cau treo
y dang » ky dang, 2 dang, _ dang
ve cam » ve cac, 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: thu sach y dang manh hoi. hieu ((ve cam) OR (ve cham)) duc va ((hanh vai) or (hanh va)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y dang manh hoi. hieu ((ve cam) OR (ve cham)) duc va ((hanh vai) OR (hanh va)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y dang manh hoi. hieu ((ve cam) OR (ve cham)) duc va ((hanh vai) or (hanh va)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu sach y dang manh hoi. hieu ((ve cam) OR (ve cham)) duc va ((hanh vai) or (hanh va)) cuu tre*.