Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
thuoc ban » thuoc tan, thuoc dang, thu ban
vu khanh » vu thanh, van khanh, duy khanh
hoc sach » hoc sinh, hoc cac, hoc anh
co thuoc » cao thuoc, co thuc, o thuoc
tai cua » thai cua, tai cuc, tri cua
nang xa » nang x, lang xa, nang ma
cua te » cua tu
va co » vo co

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((vu khanh) or (vu kham))) or (hoc sach)) ky nang xa hoi. lieu va co thuoc ban thanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((vu khanh) OR (vu kham))) OR (hoc sach)) ky nang xa hoi. lieu va co thuoc ban thanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: ((((vu khanh) or (vu kham))) or (hoc sach)) ky nang xa hoi. lieu va co thuoc ban thanh tai cua te*.