Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
dung truong » duong truong, dung trong, dung trung
nhanh lang » nhanh quang, nhanh thang, nhan dang
thanh phan » thanh pho, thanh san, thanh toan
phan chat » phan phat, phap chat, nhan chat
toc sach » hoc sach, doc sach, thuoc sach
nhan dan » phan dau, gian dan, nhan tai
van dung » van dong, xay dung, tin dung
so toc » so hoc, co toc, ho toc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so toc sach - ((nhanh lang) or (nhan dan)) van dung truong thanh phan chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so toc sach - ((nhanh lang) OR (nhan dan)) van dung truong thanh phan chat.
• Adding a wildcard symbol may retrieve word variants: so toc sach - ((nhanh lang) or (nhan dan)) van dung truong thanh phan chat*.