Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
tang luan » dung luan
chao chu » cho chu, cua chu, cao cho
tang cua » mang cua, hang cua, thong cua
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban
chu van » cuu van, chu han

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu van - hanh ((tang cua) OR (tang luan)) phuong cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu van - hanh ((tang cua) OR (tang luan)) phuong cong dan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu van - hanh ((tang cua) OR (tang luan)) phuong cong dan ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: chao chu van - hanh ((tang cua) OR (tang luan)) phuong cong dan ((toan cao) or (toan ban))*.