Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
nhanh mang » nhanh lang, hanh mang, nhanh quang
thong cong » trong cong, tong cong, thong thong
ho thieu » hoc thieu, ho chieu, ho thiet
va thong » va thuong, va phuong, he thong
mang va » mang vua, hang va, bang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thieu quang - nhanh mang va thong cong ((luan van) or (doan va)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thieu quang - nhanh mang va thong cong ((luan van) OR (doan va)) ban*.