Perhaps you should try some spelling variations:
khung hoang » phuong hoang
chieu sach » chinh sach, chiet tach, chieu sang
hoang xuan » hoang van
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
luan nang » van nang, luan san
xuan cau » quan cau, xuan can, xuan cang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh tang ((luan van) or (luan nang)) khung hoang xuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh tang ((luan van) OR (luan nang)) khung hoang xuan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh tang ((luan van) or (luan nang)) khung hoang xuan cau*.