Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
thong cong » trong cong, tong cong, thong thong
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong dan » cong san, cong tan, huong dan
toan ban » van ban
than ma » than man, than va, khan ma

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

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