Perhaps you should try some spelling variations:
thanh ha » thanh hoa, thanh hai, nhanh ha
nang xay » dang xay, nganh xay, nang xuan
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
luu tre » luu tru, luy tre
hanh va » hang va, hanh 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
cuu tre » cua tre, cau tren, cau treo
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 van chat xuc va ((thanh ha) or (hanh va)) ((luu tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xay hoi. hieu van chat xuc va ((thanh ha) OR (hanh va)) ((luu tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xay hoi. hieu van chat xuc va ((thanh ha) or (hanh va)) ((luu tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xay hoi. hieu van chat xuc va ((thanh ha) or (hanh va)) ((luu tre) OR (cuu tre))*.