Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
ban hanh » ban hang
cho tre » cho thue, khoe tre
hanh va » hang va, hanh vi
xuc ban » duc ban, cuc ban, quoc ban
sach tu » sach thu, sach ty, sach uu
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cach tu » cach thuc
cac xuc » cam xuc, cac nuoc, chat xuc

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 tu) or (cach tu)) nang xa hoi. hieu va cac xuc ban hanh va ((cho tre) or (chay tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tu) OR (cach tu)) nang xa hoi. hieu va cac xuc ban hanh va ((cho tre) OR (chay tren)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach tu) or (cach tu)) nang xa hoi. hieu va cac xuc ban hanh va ((cho tre) or (chay tren))*.