Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu nganh » hiem ngan, hieu manh, nghiep nganh
vien nganh » vien thanh
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
cong dan » cong san, cong tan, huong dan
van cau » van dau, van chat, toan cau
van hau » van ha, van hai, van dau

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