Perhaps you should try some spelling variations:
gianh lai » gian lan
chau tre » chay tren, chau tho, cho tre
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
van cam » van nam, van cau, van dam
van lam » van nam
duc van » duc va, duc tan, duc manh
anh lai » anh bai, anh tai, hanh lam
x hoi » xa hoi, o hoi, x ho

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: tu sach ky nang x hoi. thi ((van cam) OR (van lam)) duc van ((anh lai) OR (gianh lai)) chau tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. thi ((van cam) OR (van lam)) duc van ((anh lai) or (gianh lai)) chau tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. thi ((van cam) OR (van lam)) duc van ((anh lai) or (gianh lai)) chau tre*.