Perhaps you should try some spelling variations:
kham xuc » kham xung, kham cuoc, cam xuc
te sach » toc sach
hieu va » lieu va, hieu qua
cau cua » cau qua, ca cua, cu cua
dao cau » dat cau, da cau, tao cau
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu vu » hieu ve, hieu su, dieu vu
dai hoi » dai hoc, dai hai, dai moi
mai hoi » mai khoi, lai hoi, mai doi
xuc va » duc va, tuc va, luc va
va dao » ca dao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((mai hoi) or (dai hoi)). ((hieu vu) or (hieu va)) kham xuc va dao cau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((mai hoi) OR (dai hoi)). ((hieu vu) OR (hieu va)) kham xuc va dao cau cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((mai hoi) or (dai hoi)). ((hieu vu) or (hieu va)) kham xuc va dao cau cua tre*.