Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
luong anh » luong manh, vuong anh, luong thanh
duong anh » duong manh, duong xanh, duong vanh
tranh va » tranh van, trang va, trinh va
luan ban » luan van, luan san, luat ban
luan han » luan hoan, luan phan, luan van

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 - canh tranh va nhung ((luong anh) OR (duong anh)) ((luan ban) or (luan han))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh tranh va nhung ((luong anh) OR (duong anh)) ((luan ban) OR (luan han)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh tranh va nhung ((luong anh) OR (duong anh)) ((luan ban) or (luan han))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh tranh va nhung ((luong anh) OR (duong anh)) ((luan ban) or (luan han))*.