Perhaps you should try some spelling variations:
ban hanh » ban hang
hoi cua » hoi chuc
noi cua » doi cua, moi cua, coi cua
cuc ban » cua ban, cac ban, cuu ban
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
ve cam » ve cac, va cam, ve cai
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 ky nang x hoi. hieu ((ve cam) or (ve cham)) cuc ban hanh ((noi cua) OR (hoi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu ((ve cam) OR (ve cham)) cuc ban hanh ((noi cua) OR (hoi cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. hieu ((ve cam) or (ve cham)) cuc ban hanh ((noi cua) OR (hoi cua)) triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu ((ve cam) or (ve cham)) cuc ban hanh ((noi cua) OR (hoi cua)) triet*.