Perhaps you should try some spelling variations:
manh hai » lanh hai, minh hai, thanh hai
danh hai » dang hai, lanh hai, danh hau
sach ky » sac ky, sach y, sach kem
cuu tre » cua tre, cau tren, cau treo
hiem he » hiem xe, hieu he, thien he
nang ma » tang ma, sang ma, nang cao
sach ty » sach y, sach tu, sach thu
thu xa » thu xac, thu ha, thu xe
he nam » ha nam, nghe nam

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 ky) or (sach ty)) nang ma hoa. hiem he nam thu xa ((danh hai) OR (manh hai)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang ma hoa. hiem he nam thu xa ((danh hai) OR (manh hai)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach ty)) nang ma hoa. hiem he nam thu xa ((danh hai) OR (manh hai)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) nang ma hoa. hiem he nam thu xa ((danh hai) OR (manh hai)) cuu tre*.