Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
cham duc » pham duc, cham soc, pham duy
lang xay » dang xay, luong xay, lang xuan
duc manh » suc manh, duc anh, duc minh
sach thu » sach thue, sach thieu, sach tham
su sach » so sach, vu sach
cua tre » cua te, cuu tre, cua triet
hanh va » hang va, hanh vi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
lang xa » lang ha, dang xay, lang van
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach thu ((lang xa) or (lang xay)) hoi. hieu ve cham duc manh hanh va ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((lang xa) OR (lang xay)) hoi. hieu ve cham duc manh hanh va ((cua tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: su sach thu ((lang xa) or (lang xay)) hoi. hieu ve cham duc manh hanh va ((cua tre) or (cua tu))*.