Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thong cong » trong cong, tong cong, thong thong
cong ngang » cong nhan, cong quang, cong lang
ngang tuan » quang tuan, hoang tuan, nganh toan
hanh hang » thanh hang, hanh han, hanh mang
hang hang » nang hang, cang thang, hung thang
va thong » va thuong, va phuong, he thong
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chiet tach)) - ((hanh hang) OR (hang hang)) va thong cong ngang tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - ((hanh hang) OR (hang hang)) va thong cong ngang tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (chiet tach)) - ((hanh hang) OR (hang hang)) va thong cong ngang tuan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chiet tach)) - ((hanh hang) OR (hang hang)) va thong cong ngang tuan cau*.