Perhaps you should try some spelling variations:
thanh ha » thanh hoa, thanh hai, nhanh ha
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
ty nang » ky nang, ty xang, ty hang
ma hoi » mai hoi, ma hoa, me hoi
xuc va » duc va, tuc va, luc va
cua te » cua tu
va cam » va cham, va cac, va cao

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 ty nang ((ma hoi) OR (xa hoi)). lieu va cam xuc va thanh ha ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ((ma hoi) OR (xa hoi)). lieu va cam xuc va thanh ha ((cua te) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang ((ma hoi) OR (xa hoi)). lieu va cam xuc va thanh ha ((cua te) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ((ma hoi) OR (xa hoi)). lieu va cam xuc va thanh ha ((cua te) or (cuu tre))*.