Perhaps you should try some spelling variations:
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
hanh binh » thanh binh, nhanh binh, manh binh
binh luan » trinh luan
cong dan » cong san, cong tan, huong dan
than cao » thai cao, than cap, than sao
toan cao » toan ban, toan tap

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

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