Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
trung cua » trung tuan, trung cap, dung cua
long span » cong san, nong san, long van
yen tinh » tuyen tinh
dong san » cong san, dong bang, dong von
tran van » luan van
ho yen » o yen, chao yen, hong yen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho yen tinh - hanh ((trung cua) or (truong cua)) thang ((long span) OR (dong san)) tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho yen tinh - hanh ((trung cua) OR (truong cua)) thang ((long span) OR (dong san)) tran van.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho yen tinh - hanh ((trung cua) or (truong cua)) thang ((long span) OR (dong san)) tran van".
• Adding a wildcard symbol may retrieve word variants: ho yen tinh - hanh ((trung cua) or (truong cua)) thang ((long span) OR (dong san)) tran van*.