Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
manh hung » anh huong
cua thong » cua thuong, cua khong, cua tong
cong dang » cong dong, cong dan, cong dung
hung cua » huong cua, chung cua, khung cua
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - manh hung cua thong cong dang ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - manh hung cua thong cong dang ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - manh hung cua thong cong dang ((toan cao) or (toan ban))*.