Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh vat » trinh van, trinh luat, sinh vat
nho huong » nho thuong, cho huong, ngo huong
trinh va » trinh van, trinh ve, trinh vi
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 (chieu tinh)) - hanh ((trinh va) or (trinh vat)) nho huong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - hanh ((trinh va) OR (trinh vat)) nho huong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - hanh ((trinh va) or (trinh vat)) nho huong dan than cau*.