Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
chi hanh » chi nhanh, chi thanh, thi hanh
tang cua » mang cua, hang cua, tang luan
cong tam » cong tac, cong tan, dong tam
cong nam » dong nam, uong nam, thong nam
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: theo ((chi hanh) or (chieu xanh)) - hanh tang cua thong ((cong tam) OR (cong nam)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chi hanh) OR (chieu xanh)) - hanh tang cua thong ((cong tam) OR (cong nam)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chi hanh) or (chieu xanh)) - hanh tang cua thong ((cong tam) OR (cong nam)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chi hanh) or (chieu xanh)) - hanh tang cua thong ((cong tam) OR (cong nam)) toan ban*.