Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thong cong » trong cong, tong cong, thong thong
hanh mang » nhanh mang, hanh trang, nhanh lang
hoa thong » hoa trong, hoa khong, hoa thon
san thanh » ban thanh, van thanh, son thanh
thanh tai » thanh hai, thanh toan, doanh tai
mang hoa » hang hoa, mang hoc, nang hoa
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu sang)) - hanh mang hoa thong cong san thanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - hanh mang hoa thong cong san thanh tai.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - hanh mang hoa thong cong san thanh tai*.