Perhaps you should try some spelling variations:
nang xay » dang xay, nganh xay, nang xuan
hieu cac » hieu luc, hieu va, hieu van
cac chat » cao chat, cac thuat, cac nha
chat xuc » chat huu, cam xuc, chao xu
thanh vi » thanh va, thanh ve, nhanh vi
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
luu tre » luu tru, cuu tre, luy tre
xuc va » duc va, tuc va, luc va

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 nang xay hoi. hieu cac chat xuc va ((thanh vi) or (hanh vi)) luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xay hoi. hieu cac chat xuc va ((thanh vi) OR (hanh vi)) luu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xay hoi. hieu cac chat xuc va ((thanh vi) or (hanh vi)) luu tre*.