Perhaps you should try some spelling variations:
thau xay » thuat xay, tu xay, phan xay
kho tang » cao tang
danh sai » dung sai, danh bat, danh dau
sach kho » bach khoa, sach dao, sach nha
tu sach » thu sach, su sach, te sach
tang ma » mang may, tang van
cua tre » cuu tre, cua triet, dua tren
hieu he » hieu ve, hiem he, hieu le
cua te » cua tu
thu xa » thu xac, thu ha, thu xe
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: tu sach kho tang ma hoi. hieu he nam ((thu xa) or (thau xay)) danh sai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach kho tang ma hoi. hieu he nam ((thu xa) OR (thau xay)) danh sai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach kho tang ma hoi. hieu he nam ((thu xa) or (thau xay)) danh sai ((cua tre) or (cua te))*.