Perhaps you should try some spelling variations:
trong thong » trong thuong, thong thong, tong thong
chinh quan » chinh luan, chinh quyen, chinh ngan
hieu nganh » vien nganh, hiem ngan, hieu manh
quan trong » gian trong
thong dan » thong van, tuong dan, thong den
thanh cac » hanh cac, thanh bac, thanh ca
tien anh » tieng anh, tien manh, dien anh
than cap » khan cap, thanh lap, than cua

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 (tien anh)) - hanh chinh quan trong thong dan ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (tien anh)) - hanh chinh quan trong thong dan ((than cap) OR (thanh cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu nganh) or (tien anh)) - hanh chinh quan trong thong dan ((than cap) OR (thanh cac))*".