Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
xuong dan » huong dan, xuong san, tuong dan
thanh lap » thanh san, phan lap, thanh hai
tung dan » dung dan, huong dan, trung dai

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

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