Perhaps you should try some spelling variations:
chat soc » cham soc, chat hoc, chat doc
thanh vi » hanh vi, thanh va, thanh ve
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
soc gia » toc gia, hoc gia, so gia
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
vi cau » va cau, ve cau, di cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((y nang) OR (v nang)) xa hoi. hieu ve chat soc gia thanh vi cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (v nang)) xa hoi. hieu ve chat soc gia thanh vi cau tren".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (v nang)) xa hoi. hieu ve chat soc gia thanh vi cau tren*.