Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
manh hai » lanh hai, minh hai, thanh hai
su sach » so sach, vu sach
tai hoi » tai khoi, dai hoi, tai hai
hieu ve » hieu va, hieu van
cac luc » cau luc, coc luc, cac nuoc
va manh » van manh, va danh, va hanh
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
su sac » su cac, su xac
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) OR (su sach)) ky nang tai hoi. hieu ve cac luc va manh hai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su sach)) ky nang tai hoi. hieu ve cac luc va manh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su sach)) ky nang tai hoi. hieu ve cac luc va manh hai cua tre*.