Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh ve » hanh ve, thanh va, thanh vien
nam thuc » nam thuoc, am thuc, nam thu
nam xuc » cam xuc, nam xua, nam duoc
cua tre » cua te, cuu tre, cua triet
hieu tu » chieu tu, hieu tuc, hien tu
tang ha » lang ha, tang ma, trung ha
san ky » sang ky, van ky, ban ky
dan ky » van ky
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((san ky) or (dan ky)) tang ha noi. hieu tu ((nam xuc) OR (nam thuc)) van thanh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((san ky) OR (dan ky)) tang ha noi. hieu tu ((nam xuc) OR (nam thuc)) van thanh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((san ky) or (dan ky)) tang ha noi. hieu tu ((nam xuc) OR (nam thuc)) van thanh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: thu ((san ky) or (dan ky)) tang ha noi. hieu tu ((nam xuc) OR (nam thuc)) van thanh ve cua tre*.