Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh sinh » hanh tinh, hanh dinh, hinh sinh
cua thong » cua thuong, cua khong, cua tong
thong tan » thong than, thong tran, thong tin
sinh cua » manh cua, dinh cuu, sinh va
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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 (trieu tinh)) - hanh sinh cua thong thong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (trieu tinh)) - hanh sinh cua thong thong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (trieu tinh)) - hanh sinh cua thong thong tan toan cau*.