Perhaps you should try some spelling variations:
khung hoang » phuong hoang
chieu sach » chinh sach, chiet tach, chieu sang
hoang tuan » hoang xuan, hoang tran, hoang thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
luan san » luan hoan, luan phan, luan nang
tuan cau » toan cau, quan cau, tuan cu

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 mang ((luan van) or (luan san)) khung hoang tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh mang ((luan van) OR (luan san)) khung hoang tuan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh mang ((luan van) or (luan san)) khung hoang tuan cau*.