Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
nhanh than » nhanh thanh, nhanh thang, thanh thanh
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
nhung don » nhung van, nhung bo
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chinh sach - ((nhanh than) OR (nhanh thai)) cua ((nhung don) or (trong cong)) dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - ((nhanh than) OR (nhanh thai)) cua ((nhung don) OR (trong cong)) dan than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chinh sach - ((nhanh than) OR (nhanh thai)) cua ((nhung don) or (trong cong)) dan than ban".
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - ((nhanh than) OR (nhanh thai)) cua ((nhung don) or (trong cong)) dan than ban*.