Perhaps you should try some spelling variations:
thu nhap » thu ha, khu nha
doan sai » doan hai, doan mai, doanh tai
te sach » toc sach
dan sai » danh sai, dan tai, dan giai
cua tre » cua te, cuu tre, cua triet
thu nam » tu nam, thu nhat, thu ngan
hieu he » hieu ve, hiem he, hieu le
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
he nam » ha nam, nghe nam
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ma hoi. hieu he nam ((thu nam) OR (thu nhap)) ((dan sai) OR (doan sai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. hieu he nam ((thu nam) OR (thu nhap)) ((dan sai) OR (doan sai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu he nam ((thu nam) OR (thu nhap)) ((dan sai) OR (doan sai)) cua tre*.