Perhaps you should try some spelling variations:
manh nhanh » danh nhan, anh nhan, danh thanh
thuoc sach » hoc sach, nuoc sach, thuat sach
nhanh hai » nhanh thai, thanh hai, nhanh ha
duc manh » suc manh, duc anh, duc minh
dau tren » dau tien, dat tren, dau tieng
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
ca tren » cau tren, cu tren, la tren
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
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: thuoc sach y nang x hoi. hieu ve cam duc manh nhanh hai ((dau tren) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y nang x hoi. hieu ve cam duc manh nhanh hai ((dau tren) OR (ca tren)).
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang x hoi. hieu ve cam duc manh nhanh hai ((dau tren) or (ca tren))*.