Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
dung truong » duong truong, dung trong, dung trung
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
thanh bac » nhanh bac, thanh bai, thanh san
van dung » van dong, xay dung, tin dung
bac cau » bach cau, ba cau, bac can

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