Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
lanh hai » manh hai, thanh hai, lang chai
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
van cac » van hac, van cau, van bac
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
du ban » dua ban, duc ban, du bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky dang xay hoi. hieu van cac du ban ((lanh hai) or (thanh phan)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky dang xay hoi. hieu van cac du ban ((lanh hai) OR (thanh phan)) cua triet.
• Adding a wildcard symbol may retrieve word variants: su xac ky dang xay hoi. hieu van cac du ban ((lanh hai) or (thanh phan)) cua triet*.