Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh phan » thanh phan, anh phan, hanh nhan
hanh han » hanh nhan, hanh san, anh han
va thong » va thuong, va phuong, he thong
cong san » cong tac
san pha » san pham, san phan, san phu
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: hoc chieu sach - ((hanh han) OR (hanh phan)) va thong cong san pha tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - ((hanh han) OR (hanh phan)) va thong cong san pha tap".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((hanh han) OR (hanh phan)) va thong cong san pha tap*.