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

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