Perhaps you should try some spelling variations:
nhung dung » phuong dung, ung dung, thong dung
nhung hung » nhung huong, nhung vung, nhung phuong
hanh luan » khanh luan, hang luan, hanh luat
chao chu » cho chu, cua chu, cao cho
chu xanh » chu manh, chieu xanh, chua xang
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu xanh - hanh luan van ((nhung hung) OR (nhung dung)) manh ((toan cao) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu xanh - hanh luan van ((nhung hung) OR (nhung dung)) manh ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: chao chu xanh - hanh luan van ((nhung hung) OR (nhung dung)) manh ((toan cao) OR (toan tap))*.