Perhaps you should try some spelling variations:
manh hai » lanh hai, minh hai, thanh hai
tu sach » thu sach, su sach, te sach
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va, hieu van
xuc ban » duc ban, cuc ban, quoc ban
anh hai » lanh hai, anh thai, anh bai
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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 ((ty nang) OR (ky nang)) xa hoi. hieu ve cam xuc ban ((anh hai) or (manh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cam xuc ban ((anh hai) OR (manh hai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cam xuc ban ((anh hai) or (manh hai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cam xuc ban ((anh hai) or (manh hai)) cua tre*.