Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
tran hoang » tran hong, quan hoang, tran quang
trong minh » truong minh, trong kinh, thong minh
hanh tran » hanh trang, thanh tran, hanh tram
tuan dang » tran dang, tuan bang, tuan dung
minh luan » minh tuan, binh luan, trinh luan
luan ban » luan van, luan san, luan han
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu quang - hanh tran ((tuan dang) or (tran hoang)) trong minh luan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quang - hanh tran ((tuan dang) OR (tran hoang)) trong minh luan ban.
• Adding a wildcard symbol may retrieve word variants: ho hieu quang - hanh tran ((tuan dang) or (tran hoang)) trong minh luan ban*.