Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
thieu tinh » trieu tinh, thien tinh, lieu tinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
tuong lanh » thong lanh, tuong linh, thuong lang
tranh va » tranh van, trang va, trinh va
luan ban » luan van, luan han, luat ban
luan san » luan van, luan hoan, luan phan

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

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