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