Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
luong cong » dung cong, trong cong, cong cong
hanh hang » thanh hang, hang hang, hanh han
cua luong » cu luong, cua huong, chat luong
hang cua » mang cua, hang ca, huong cua
cong vo » cuong vo, cong va, cong so

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 xanh) or (chieu sach)) - hanh hang cua luong cong vo van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hanh hang cua luong cong vo van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - hanh hang cua luong cong vo van ban*.