Perhaps you should try some spelling variations:
nhung tung » nhung tuong, nhung dung, nhung vung
nhanh mang » nhanh lang, nhanh quang, nhanh thang
hien sach » dien sach, kien sach, thien hach
hanh mang » hanh trang, nhanh lang, thanh hang
cua nhung » va nhung
tung dan » dung dan, huong dan, trung dai
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - ((hanh mang) or (nhanh mang)) cua nhung tung dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - ((hanh mang) OR (nhanh mang)) cua nhung tung dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - ((hanh mang) or (nhanh mang)) cua nhung tung dan van ban*.