Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sach » chiet tach, chieu sang, chieu xanh
van thanh » ban thanh, van tuan
thanh dat » thanh san, thanh hai, thanh van
cong van » cong vang, cong san, song van
manh va » anh va, minh va, lanh va
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) OR (chinh sach)) - lanh ((manh va) or (hanh va)) thuong cong van thanh dat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - lanh ((manh va) OR (hanh va)) thuong cong van thanh dat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chinh sach)) - lanh ((manh va) or (hanh va)) thuong cong van thanh dat".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chinh sach)) - lanh ((manh va) or (hanh va)) thuong cong van thanh dat*.