Perhaps you should try some spelling variations:
tang cuong » nang luong
cong tang » cong thang, cong tan, cong lang
son thanh » ban thanh, van thanh
thanh cac » hanh cac, thanh bac, thanh ca
ho chinh » hoc chinh, cho chinh, hoa chinh
than cap » khan cap, thanh lap, than cua
con tan » cong tan, con than, con tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - thanh cong tang cuong ((con tan) or (son thanh)) ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - thanh cong tang cuong ((con tan) OR (son thanh)) ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - thanh cong tang cuong ((con tan) or (son thanh)) ((than cap) OR (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - thanh cong tang cuong ((con tan) or (son thanh)) ((than cap) OR (thanh cac))*.