Perhaps you should try some spelling variations:
luong thit » luong thiet, luong thi, luong thien
huong thit » huong thi, thuong thiet, luong thiet
trinh xay » trinh ky
quang yen » hung yen
dung lan » dung luan, dung land, dung lam
van chat » cao chat
quan den » quan doan, quan he, quan doi
lan van » luan van, lang van, tan van

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 xay dung lan van chat ((luong thit) OR (huong thit)) ke ((quang yen) or (quan den))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cong trinh xay dung lan van chat ((luong thit) OR (huong thit)) ke ((quang yen) OR (quan den)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cong trinh xay dung lan van chat ((luong thit) OR (huong thit)) ke ((quang yen) or (quan den))".
• Adding a wildcard symbol may retrieve word variants: cong trinh xay dung lan van chat ((luong thit) OR (huong thit)) ke ((quang yen) or (quan den))*.