Perhaps you should try some spelling variations:
nhan tai » van tai, toan tai
hang tai » hang va, dung tai
tu sach » thu sach, su sach, tu cach
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
te sach » toc sach
ma hoi » mai hoi, xa hoi, ma hoa
co suc » cao suc, co su, cong suc
va co » vo co

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 (te sach)) ky nang ma hoi. hieu va co suc manh ((hang tai) or (nhan tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang ma hoi. hieu va co suc manh ((hang tai) OR (nhan tai)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ky nang ma hoi. hieu va co suc manh ((hang tai) or (nhan tai)) cua tre*".