Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thanh hai » thanh hoa, thanh san
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach ty, sach kem
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho

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 ky) or (sach y)) nang x hoi. hieu ve cam xuc van ((thanh hai) OR (thanh phan)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang x hoi. hieu ve cam xuc van ((thanh hai) OR (thanh phan)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach y)) nang x hoi. hieu ve cam xuc van ((thanh hai) OR (thanh phan)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) nang x hoi. hieu ve cam xuc van ((thanh hai) OR (thanh phan)) cua tre*.