Perhaps you should try some spelling variations:
hoan chinh » hanh chinh, hoa hinh
thanh tran » thanh trang, thanh toan, thanh tra
hoc chinh » hoc sinh, hoc kinh
dung cong » dung trong
tran van » luan van
van dung » van dong, xay dung, tin dung
cong van » cong vang, cong san, song van
tuan tap » toan tap, tuan tai, toan tai

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) or (hoan chinh)) sach - thanh tran van dung cong van ((tuan tap) OR (tuyen tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chinh) OR (hoan chinh)) sach - thanh tran van dung cong van ((tuan tap) OR (tuyen tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chinh) or (hoan chinh)) sach - thanh tran van dung cong van ((tuan tap) OR (tuyen tap))".
• Adding a wildcard symbol may retrieve word variants: ((hoc chinh) or (hoan chinh)) sach - thanh tran van dung cong van ((tuan tap) OR (tuyen tap))*.