Perhaps you should try some spelling variations:
quang dung » quang trung, ung dung
hanh trong » hanh trang, anh trong, hinh trong
cuong dung » tuong duong, ung dung, thong dung
hien xanh » hien hanh, hien nhanh, chieu xanh
trong san » trong cac, cong san, dong san
qua dung » su dung, qua song, qua cong
san van » tan van, luan van, tran 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 trong ((qua dung) or (((quang dung) or (cuong dung)))) trong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trong ((qua dung) OR (((quang dung) OR (cuong dung)))) trong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trong ((qua dung) or (((quang dung) or (cuong dung)))) trong san van ban*.