Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
ban hang » ngan hang
hang lai » hang tai, hang hai, hang loi
chau tho » chat thom, cau thi, phu tho
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
soc ban » hoc ban, coc ban, so ban
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 cham soc ban hang lai chau tho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ty nang ((x hoi) OR (xa hoi)). hieu ve cham soc ban hang lai chau tho.
• Adding a wildcard symbol may retrieve word variants: thuat sach ty nang ((x hoi) or (xa hoi)). hieu ve cham soc ban hang lai chau tho*.