Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
dan bac » dan ba, van bac, dong bac
van bao » van ban, van dao
xuc cam » phuc cam
cam dan » cac dan, ca dan, nam dan
dan vai » dan va, dan tai, dan vat
cuu tre » cua tre, cau tren, cau treo
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 ky nang x hoi. hieu ((dan bac) or (van bao)) xuc cam dan vai ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang x hoi. hieu ((dan bac) OR (van bao)) xuc cam dan vai ((cuu tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x hoi. hieu ((dan bac) or (van bao)) xuc cam dan vai ((cuu tre) or (cua te))*.