Perhaps you should try some spelling variations:
ve cham » va cham, ve chat, vu cham
hanh de » hanh ve, hanh kem
hanh di » hanh vi, hang di, danh di
sach ky » sac ky, sach y, sach ty
vu sach » vu bach, su sach, vu khach
cao hoi » cau hoi, co hoi, cao hoc
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
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: vu sach ky nang cao hoi. hieu ((ve cam) OR (ve cham)) xuc va ((hanh di) or (hanh de)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang cao hoi. hieu ((ve cam) OR (ve cham)) xuc va ((hanh di) OR (hanh de)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang cao hoi. hieu ((ve cam) OR (ve cham)) xuc va ((hanh di) or (hanh de)) cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang cao hoi. hieu ((ve cam) OR (ve cham)) xuc va ((hanh di) or (hanh de)) cua tre*.