Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo duoi » theo duong, thao duoc, theo don
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
theo doi » theo don, theo dong, thay doi
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
hoc bao » hoc cao, hoc bai, hoc bo

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

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