Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
phuc van » thuc van, phuc va, chuc van
te sach » toc sach
nang xa » nang x, lang xa, nang ma
van cau » van hau, van chat, toan cau
van dau » van dao, phan dau
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (te sach)) ky nang xa hoi. hieu ((van cau) OR (van dau)) phuc van thanh tri cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (te sach)) ky nang xa hoi. hieu ((van cau) OR (van dau)) phuc van thanh tri cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (te sach)) ky nang xa hoi. hieu ((van cau) OR (van dau)) phuc van thanh tri cua cu".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (te sach)) ky nang xa hoi. hieu ((van cau) OR (van dau)) phuc van thanh tri cua cu*.