Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu tinh » trieu tinh, chau tinh, kieu tinh
nhung dung » phuong dung, ung dung, thong dung
lieu tinh » trieu tinh, diep tinh, bien tinh
tinh sinh » tinh ninh, tinh binh, tinh hinh
van luan » van quan, van tuan, von luan
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu tinh) OR (lieu tinh)) - tinh sinh vat ((nhung tuong) or (nhung dung)) van luan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (lieu tinh)) - tinh sinh vat ((nhung tuong) OR (nhung dung)) van luan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu tinh) OR (lieu tinh)) - tinh sinh vat ((nhung tuong) or (nhung dung)) van luan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) OR (lieu tinh)) - tinh sinh vat ((nhung tuong) or (nhung dung)) van luan ban*.