Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phuong dong, phong cong, phung cong
cua phuong » cuu phuong, cuc phuong, luan phuong
trung cua » truong cua, trung tuan, trung cap
hoc hieu » hoc thieu, hoc hien, doc hieu
tan than » tan thanh, tan tran, tam than
ban than » ban thanh, van thanh, ban hang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (toc thieu)) nganh - thanh trung cua phuong cong ((tan than) OR (ban than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) or (toc thieu)) nganh - thanh trung cua phuong cong ((tan than) OR (ban than)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (toc thieu)) nganh - thanh trung cua phuong cong ((tan than) OR (ban than)) cau*.