Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh van » thanh san, thanh toan, thanh phan
van cua » vang cua, ban cua, dan cua
luc gia » luoc gia, duc gia, quoc gia
ve cham » va cham, ve chat, vu cham
tu sach » thu sach, su sach, te sach
y nang » ky nang, ly nang, may nang
ma hoi » mai hoi, xa hoi, ma hoa
v nang » va nang, vu nang, van nang
ve cac » va cac, vien cac

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)) ma hoi. hieu ((ve cac) or (ve cham)) luc gia thanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (v nang)) ma hoi. hieu ((ve cac) OR (ve cham)) luc gia thanh van cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (v nang)) ma hoi. hieu ((ve cac) or (ve cham)) luc gia thanh van cua triet*.