Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thien van » thi van
dua tren » dung tren
so sanh » do sanh
sanh tu » anh tu, danh tu, hanh tu
cuu tre » cua tre, cau tren, cau treo
cam duc » cao duc, pham duc, nam duoc
nang ma » tang ma, sang ma, nang cao
tu nang » tru nang, tu nong, tu nano
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh tu nang ma hoi. thien van ((cam duc) OR (cam xuc)) van thanh pho ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh tu nang ma hoi. thien van ((cam duc) OR (cam xuc)) van thanh pho ((dua tren) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh tu nang ma hoi. thien van ((cam duc) OR (cam xuc)) van thanh pho ((dua tren) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: so sanh tu nang ma hoi. thien van ((cam duc) OR (cam xuc)) van thanh pho ((dua tren) or (cuu tre))*.