Perhaps you should try some spelling variations:
nhung dung » phuong dung, ung dung, thong dung
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh tung » thanh tung, manh tung, hanh dung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
dung anh » dung danh, duong anh, dong anh
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 hien xanh - ((hanh tung) or (hanh mang)) cua nhung dung anh ((luan ban) OR (luan han))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh tung) OR (hanh mang)) cua nhung dung anh ((luan ban) OR (luan han)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - ((hanh tung) or (hanh mang)) cua nhung dung anh ((luan ban) OR (luan han))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh tung) or (hanh mang)) cua nhung dung anh ((luan ban) OR (luan han))*.