Perhaps you should try some spelling variations:
chau tre » chay tren, chau tho, cho tre
chat duc » chat xuc, chat doc, chet duoc
anh bai » sach bai, danh bat, hinh bai
anh lai » anh tai, gianh lai, hanh lam
duc van » duc va, duc tan, duc manh
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
ve chat » va 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 duc van ((anh lai) OR (anh bai)) 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 duc van ((anh lai) OR (anh bai)) 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 duc van ((anh lai) OR (anh bai)) chau tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) or (ky dang)) mai hoi. hieu ve chat duc van ((anh lai) OR (anh bai)) chau tre*.