Perhaps you should try some spelling variations:
sach kha » sach nha, sach ha, sach tham
kha nang » phap nang, ky nang, ki nang
hanh vii » hanh voi, hanh va, hanh noi
tu sach » thu sach, su sach, te sach
thuc va » thuc vat, thuc dan, thuc day
ve cham » va cham, ve chat, vu cham
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
ve cam » ve cac, va cam, ve cai

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 kha nang xa hoi. hieu ((ve cam) or (ve cham)) thuc va ((hanh vii) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach kha nang xa hoi. hieu ((ve cam) OR (ve cham)) thuc va ((hanh vii) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach kha nang xa hoi. hieu ((ve cam) or (ve cham)) thuc va ((hanh vii) or (hanh vi)) cua tre*.