Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
nuoc ban » nuoc san, quoc ban, buoc ban
thanh vi » hanh vi, thanh va, thanh ve
hieu van » hieu va, thien van, lieu va
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
tu sac » tu cac, tu san, tu bac
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu sach)) ky nang xa hoi. ((hieu ve) or (hieu van)) cac nuoc ban thanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky nang xa hoi. ((hieu ve) OR (hieu van)) cac nuoc ban thanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky nang xa hoi. ((hieu ve) or (hieu van)) cac nuoc ban thanh vi cua tu*.