Perhaps you should try some spelling variations:
manh hanh » danh thanh, minh thanh, manh huynh
xanh hanh » danh thanh, ban hanh, van hanh
thu sach » tu sach, thuat sach, thuoc sach
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
sach v » sach va, sach y, sach 2
ve cam » ve cham, ve cac, ve cai
v nang » va nang, vu nang, van nang
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

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 v nang x hoi. hieu ((ve cam) or (va cam)) suc ((manh hanh) OR (xanh hanh)) tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach v nang x hoi. hieu ((ve cam) OR (va cam)) suc ((manh hanh) OR (xanh hanh)) tai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach v nang x hoi. hieu ((ve cam) or (va cam)) suc ((manh hanh) OR (xanh hanh)) tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu sach v nang x hoi. hieu ((ve cam) or (va cam)) suc ((manh hanh) OR (xanh hanh)) tai cuu tre*.