Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh lang » nhanh quang, nhanh thang, nhan dang
phan dang » phan dau, phan cong, nhan dan
trong tho » trong thoi, trong thu, trong thi
van dung » van dong, xay dung, tin dung
tho dan » thuc dan, choi dan

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 - ((nhanh lang) or (phan dang)) van dung trong tho dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((nhanh lang) OR (phan dang)) van dung trong tho dan ca.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((nhanh lang) or (phan dang)) van dung trong tho dan ca*.