Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
van cham » van chat, van tham, va cham
cham duc » pham duc, cham soc, pham duy
ban hang » ngan hang
hang lai » hang tai, hang hai, hang loi
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
duc ban » duc tan, duc van, dua ban
lai cua » dai cua, hai cua, lai chau
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: so sach ty nang ((x hoi) OR (xa hoi)). thien van cham duc ban hang lai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang ((x hoi) OR (xa hoi)). thien van cham duc ban hang lai cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach ty nang ((x hoi) OR (xa hoi)). thien van cham duc ban hang lai cua triet*.