Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
vu sach » vu bach, vu khach
cac xuc » cam xuc, cac nuoc, chat xuc
van cac » van hac, van cau, van bac
nang xa » nang x, lang xa, nang ma
su sach » so sach
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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) OR (su sach)) ky nang xa hoi. hieu van cac xuc ((van hanh) or (gia thanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ky nang xa hoi. hieu van cac xuc ((van hanh) OR (gia thanh)) vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (su sach)) ky nang xa hoi. hieu van cac xuc ((van hanh) or (gia thanh)) vi cua tre*".