Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hanh lai » hanh lam, hanh tai, thanh lap
chau tre » chay tren, chau tho, cho tre
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
xuc ban » duc ban, quoc ban, xuat ban
cuc ban » cua ban, cac ban, cuu ban
ty nang » ky nang, ty xang, ty hang
ve chat » va chat, van chat
x hoi » o hoi, x ho, 5 hoi

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 ty nang ((x hoi) or (xa hoi)). hieu ve chat ((xuc ban) OR (cuc ban)) hanh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ty nang ((x hoi) OR (xa hoi)). hieu ve chat ((xuc ban) OR (cuc ban)) hanh lai chau tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ty nang ((x hoi) or (xa hoi)). hieu ve chat ((xuc ban) OR (cuc ban)) hanh lai chau tre*".