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, te sach, tu cach
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
cac tuc » cac toc, cac tu, cac tac
va hang » van hang, va nang, va lang
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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