Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
cua triet » cua viet, su triet, va triet
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
vien cac » vien bach, vien dai, vien da
nuoc ban » nuoc san, quoc ban, buoc ban
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
ve cac » va cac
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thu nang x hoi. hieu ((ve cac) OR (vien cac)) nuoc ban thanh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thu nang x hoi. hieu ((ve cac) OR (vien cac)) nuoc ban thanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach thu nang x hoi. hieu ((ve cac) OR (vien cac)) nuoc ban thanh vai cua triet*.