Perhaps you should try some spelling variations:
thieu nien » thien nhien
hang dien » quang dien, dang dieu, nhan dien
nien cac » vien cac, dien cac, bien cac
dien cua » dieu cua, dien cuc, dien cu
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, cua triet
tuc va » truc va, tuc xa, duc va

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 ky nang xa hoi. thieu nien cac ((tuc va) OR (thuc va)) hang dien cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. thieu nien cac ((tuc va) OR (thuc va)) hang dien cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. thieu nien cac ((tuc va) OR (thuc va)) hang dien cua tre*.