Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, hieu cach
chieu sang » hieu lang, nhieu tang
chieu xanh » chieu tinh, hieu manh
hanh huong » thanh huong, anh huong, manh huong
nhung cong » dung cong, thong cong, hang cong
huong cua » dung cua
cua nhung » va nhung
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
toan tap » toan ban

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 sach) or (((chieu sang) OR (chieu xanh)))) - hanh huong cua nhung cong hach toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (((chieu sang) OR (chieu xanh)))) - hanh huong cua nhung cong hach toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (((chieu sang) OR (chieu xanh)))) - hanh huong cua nhung cong hach toan tap*".