Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
luan nang » luan van, van nang, luan san
luan phan » luan van, luan hoan
van thang » van thanh, van khang, van hang
anh dung » anh dong, anh huong, sach dung
van than » van thanh, van tuan, van phan
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so lieu tinh - anh dung ((luan nang) or (luan phan)) truong ((van than) OR (van thang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lieu tinh - anh dung ((luan nang) OR (luan phan)) truong ((van than) OR (van thang)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so lieu tinh - anh dung ((luan nang) or (luan phan)) truong ((van than) OR (van thang)) cau".
• Adding a wildcard symbol may retrieve word variants: so lieu tinh - anh dung ((luan nang) or (luan phan)) truong ((van than) OR (van thang)) cau*.