Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu nganh » hiem ngan, hieu manh, nghiep nganh
vien nganh » vien thanh
thong cong » trong cong, thong thong, phong chong
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
ban thanh » ban hanh, ban hang
thanh hai » thanh phan, thanh hoa, thanh san

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

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