Perhaps you should try some spelling variations:
minh hai » minh khai, tinh hai, manh hai
danh hai » dang hai, lanh hai, manh hai
te sach » toc sach
hieu he » hieu ve, hiem he, hieu le
cuu tre » cua tre, cau tren, cau treo
nang ma » tang ma, sang ma, nang cao
su sach » so sach, vu sach
ma hoi » mai hoi, xa hoi, ma hoa
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: ((te sach) or (su sach)) ky nang ma hoi. hieu he nam thu xa ((danh hai) or (minh hai)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (su sach)) ky nang ma hoi. hieu he nam thu xa ((danh hai) OR (minh hai)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (su sach)) ky nang ma hoi. hieu he nam thu xa ((danh hai) or (minh hai)) cuu tre*.