Perhaps you should try some spelling variations:
thang trong » thong trong, than trong, khoang trong
thanh trung » thanh tung
hieu nganh » vien nganh, hiem ngan, nghiep nganh
hieu manh » chieu xanh, dieu hanh, hien hanh
trung cua » truong cua, trung tuan, trung cap
cua thang » cua hang, cua thanh, xua thang
trong van » trong cac
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chinh sach) or (((hieu nganh) OR (hieu manh)))) - thanh trung cua thang trong van thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chinh sach) OR (((hieu nganh) OR (hieu manh)))) - thanh trung cua thang trong van thanh tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chinh sach) or (((hieu nganh) OR (hieu manh)))) - thanh trung cua thang trong van thanh tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chinh sach) or (((hieu nganh) OR (hieu manh)))) - thanh trung cua thang trong van thanh tap*.