Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
hieu ve » hieu van
cau luc » cau truc, cau phuc
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
cua te » cua tu

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) or (v nang)) xa hoi. ((hieu ve) or (hieu va)) cau luc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ((y nang) OR (v nang)) xa hoi. ((hieu ve) OR (hieu va)) cau luc va danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thuoc sach ((y nang) or (v nang)) xa hoi. ((hieu ve) or (hieu va)) cau luc va danh vi cua te*.