Perhaps you should try some spelling variations:
nhanh gian » thanh gian, thanh giang, nhanh giong
thien anh » thien danh, thien thanh, thien chanh
cua nhung » va nhung
tien anh » tieng anh, tien manh, dien anh
gian cua » gian xu, ban cua
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (tien anh)) - nhanh gian cua nhung ((cong van) OR (song van)) van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) OR (tien anh)) - nhanh gian cua nhung ((cong van) or (song van)) van ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) OR (tien anh)) - nhanh gian cua nhung ((cong van) or (song van)) van ban*.