Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh han
chat huong » chat luong, nhat huong, chan thuong
cong chat » cong nhat, cong cua, cong ha
thi hoang » thai hoang, thi hong, thi hang
hoang hai » hoang thi, hoang van
hai duong » dai cuong, hai phong
thi cong » tai cong, thien cong
van thi » van tai, dan thi, van thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( cong trinh luan van thi cong chat huong ) or ( cong trinh luan van thi hoang hai duong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( cong trinh luan van thi cong chat huong ) OR ( cong trinh luan van thi hoang hai duong )).
• Adding a wildcard symbol may retrieve word variants: (( cong trinh luan van thi cong chat huong ) or ( cong trinh luan van thi hoang hai duong ))*.