Perhaps you should try some spelling variations:
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
hoc lieu » hoc dieu, hoc tieu, ho lieu
hoc sieu » hoc dieu, hoc thieu, hoc hien
manh cua » doanh cua, 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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc lieu) or (hoc sieu)) tinh - canh manh cua nhung ((cong van) or (song van)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc lieu) OR (hoc sieu)) tinh - canh manh cua nhung ((cong van) OR (song van)) van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc lieu) or (hoc sieu)) tinh - canh manh cua nhung ((cong van) or (song van)) van ban*.