Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoan chinh » hanh chinh, hoa hinh
doi chinh » do chinh, tai chinh, hoc chinh
doanh cua » doanh luan
manh cua » ban cua
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chinh) or (hoan chinh)) sach - hanh ((manh cua) OR (doanh cua)) thong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chinh) OR (hoan chinh)) sach - hanh ((manh cua) OR (doanh cua)) thong cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chinh) or (hoan chinh)) sach - hanh ((manh cua) OR (doanh cua)) thong cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chinh) or (hoan chinh)) sach - hanh ((manh cua) OR (doanh cua)) thong cong dan than cau*.