Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
tranh hang » trinh han, tran hoang, tran hong
trung tan » trung tuan, trung tran, trung tang
dung dong » dung cong, vung dong, dung trong
tan dung » tran dung, tin dung, van dung
dong san » cong san, dong bang, dong von

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - thanh trung tan dung dong san ((luan van) or (tranh hang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh trung tan dung dong san ((luan van) OR (tranh hang)).
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh trung tan dung dong san ((luan van) or (tranh hang))*.