Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo cuu » theo chu, khao cuu, thao cua
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
cong san » cong tac
san than » sang than, san thanh, ban 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 cuu van - hanh ((mang cua) OR (dung cua)) thuong cong san than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo cuu van - hanh ((mang cua) OR (dung cua)) thuong cong san than ban".
• Adding a wildcard symbol may retrieve word variants: theo cuu van - hanh ((mang cua) OR (dung cua)) thuong cong san than ban*.