Perhaps you should try some spelling variations:
hanh trong » hanh trang, hinh trong, chinh trong
chieu sang » chieu sach, chieu xanh, nhieu tang
phan thanh » pham thanh, ban thanh, van thanh
hieu lang » hieu quang, nhieu tang, hieu van
anh trong » anh thuong, dinh trong, lang trong
cong phan » cong nhan, cong khan, chong phap
thanh lap » thanh san, phan lap, thanh hai
van cong » van dong, van phong, phan cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (hieu lang)) - ((hanh trong) or (anh trong)) luan van cong phan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - ((hanh trong) OR (anh trong)) luan van cong phan thanh lap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - ((hanh trong) or (anh trong)) luan van cong phan thanh lap*.