Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
thuc dan » thuc hanh, hoc dan, thuc vat
nang xa » nang x, lang xa, nang ma
van hau » van ha, van hai, van dau
truc va » thuc va, thuc vat, trung va
hai cuc » tai cuc, hai cua, thai cua
cuc tre » duc tre, cua tre, cuu tre
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang xa hoi. hieu van hau ((truc va) or (thuc dan)) thanh hai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu van hau ((truc va) OR (thuc dan)) thanh hai cuc tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu van hau ((truc va) or (thuc dan)) thanh hai cuc tre*.