Perhaps you should try some spelling variations:
chau tre » chay tren, chau tho, cho tre
va chat » van chat, va phat, cao chat
anh lai » anh bai, anh tai, gianh lai
van anh » van thanh, tuan anh, van minh
duc van » duc va, duc tan, duc manh
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
ve chat » van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ky sang) or (ky dang)) mai hoi. hieu ((ve chat) OR (va chat)) duc van anh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky sang) OR (ky dang)) mai hoi. hieu ((ve chat) OR (va chat)) duc van anh lai chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky sang) or (ky dang)) mai hoi. hieu ((ve chat) OR (va chat)) duc van anh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) or (ky dang)) mai hoi. hieu ((ve chat) OR (va chat)) duc van anh lai chau tre*.