Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung hanh » trung thanh, trung khanh, trung anh
hanh trong » hanh trang, anh trong, hinh trong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
cong luan » tong luan, cong tuan, dong luan
hoc tieu » hoc thieu, hoc dieu, hoc sieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tieu tinh - thanh trung hanh trong cong luan van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - thanh trung hanh trong cong luan van ban*.