Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
danh vai » danh sai, danh va, doanh van
chat xuc » chat huu, cam xuc, chat cua
vai cuu » vai cua
va danh » va dinh, va dan, va hanh
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
cuu tre » cua tre, cau tren, cau treo
x hoi » xa hoi, o hoi, x ho

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 ty) or (sach tu)) nang x hoi. hieu van ((chat xuc) OR (chao xu)) va danh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) nang x hoi. hieu van ((chat xuc) OR (chao xu)) va danh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach tu)) nang x hoi. hieu van ((chat xuc) OR (chao xu)) va danh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tu)) nang x hoi. hieu van ((chat xuc) OR (chao xu)) va danh vai cuu tre*.