Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh hai
thanh toan » thanh hoa, thanh san, tinh toan
thang cua » thong cua, hang cua, than cua
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
khao cuu » cham cuu, chao chu, kho cua
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: khao cuu tinh - hanh ((thang cua) or (trung cua)) dung cong van ((thanh phan) OR (thanh toan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: khao cuu tinh - hanh ((thang cua) OR (trung cua)) dung cong van ((thanh phan) OR (thanh toan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "khao cuu tinh - hanh ((thang cua) or (trung cua)) dung cong van ((thanh phan) OR (thanh toan))".
• Adding a wildcard symbol may retrieve word variants: khao cuu tinh - hanh ((thang cua) or (trung cua)) dung cong van ((thanh phan) OR (thanh toan))*.