Perhaps you should try some spelling variations:
bieu hien » dieu hien, dieu khien, bien phien
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
doc sach » hoc sach, toc sach, nuoc sach
hien cac » thien cac, vien cac, hieu cac
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, hai cua, lai cua
cac lo » cac lop, cac co, cac bo
lo ban » co ban, lo van, ly ban
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 sach) or (doc sach)) ky nang xa hoi. bieu hien cac lo ban thanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (doc sach)) ky nang xa hoi. bieu hien cac lo ban thanh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (doc sach)) ky nang xa hoi. bieu hien cac lo ban thanh vai cua tu*.