Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
phung cong » nhung cong, phong cong, nhung chong
hanh phan » thanh phan, anh phan, hanh han
va phung » va phuong, van phung, va nhung
cong san » cong tac
than tap » toan tap, han tap, phan tap
phan va » phan van, nhan va, han va
pha tap » pham tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) OR (chieu sach)) - hanh phan va phung cong san ((than tap) or (pha tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - hanh phan va phung cong san ((than tap) OR (pha tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sach)) - hanh phan va phung cong san ((than tap) or (pha tap))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sach)) - hanh phan va phung cong san ((than tap) or (pha tap))*.