Perhaps you should try some spelling variations:
manh thanh » danh thanh, minh thanh, manh thang
thanh lai » thanh hai, thanh lap, thanh loi
le quang » vu quang
duc manh » suc manh, duc anh, duc minh
su sach » so sach, vu sach
van cam » van nam, van lam, van dam
van cau » van dau, van hau, van chat
chau te » chau tho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((le quang) or (ty xang)) xa hoi. hieu ((van cam) OR (van cau)) duc manh thanh lai chau te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((le quang) OR (ty xang)) xa hoi. hieu ((van cam) OR (van cau)) duc manh thanh lai chau te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((le quang) or (ty xang)) xa hoi. hieu ((van cam) OR (van cau)) duc manh thanh lai chau te".
• Adding a wildcard symbol may retrieve word variants: su sach ((le quang) or (ty xang)) xa hoi. hieu ((van cam) OR (van cau)) duc manh thanh lai chau te*.