Perhaps you should try some spelling variations:
su sach » so sach, vu sach
dan vat » dang vat, van vat, dan va
dan vai » dan va, dan tai, den vai
xuc cam » phuc cam
va chat » van chat, va phat, cao chat
sach ky » sac ky, sach y, sach ty
ve chat » van chat
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa

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 ma hoi. hieu ((ve chat) or (va chat)) xuc cam ((dan vai) or (dan vat)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ma hoi. hieu ((ve chat) OR (va chat)) xuc cam ((dan vai) OR (dan vat)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ma hoi. hieu ((ve chat) or (va chat)) xuc cam ((dan vai) or (dan vat)) cua tre*.