Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
sach ky » sac ky, sach ty, sach kem
dan vat » dang vat, van vat, dan va
dan vai » dan va, dan tai, den vai
xuc cam » phuc cam
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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) OR (sach y)) nang xa hoi. hieu ve 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) OR (sach y)) nang xa hoi. hieu ve chat xuc cam ((dan vai) OR (dan vat)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) OR (sach y)) nang xa hoi. hieu ve chat xuc cam ((dan vai) or (dan vat)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) OR (sach y)) nang xa hoi. hieu ve chat xuc cam ((dan vai) or (dan vat)) cua tre*.