Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
tinh bang » tinh sang, tinh lang, tinh quang
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
bang cua » ban cua, mang cua, hang cua
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
chuc » thuc, chu, chua

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 (chiet tach))) or (chuc nang)) - tinh bang cua thong thong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu sach) OR (chiet tach))) OR (chuc nang)) - tinh bang cua thong thong dan than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu sach) or (chiet tach))) or (chuc nang)) - tinh bang cua thong thong dan than cau*.