Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
tieu sach » chieu sach, dien sach, te sach
hanh mang » nhanh mang, hanh trang, nhanh lang
thanh ban » thanh san, thanh van, thanh bac
mang xay » mang may, dang xay, mang xa
ban can » ban dan, ban hang, ban hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh mang xay dung trong thanh ban can~.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh mang xay dung trong thanh ban can*.