Perhaps you should try some spelling variations:
tuan tai » toan tai, quan tai, tan tai
van tuan » van quan, van ban, anh tuan
cuu tre » cua tre, cau tren, cau treo
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, nam duoc
ky tang » ky nang, ky dang, kho tang
cua te » cua tu
thi ky » thi ly, thi my

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

• Performing a fuzzy search may retrieve terms with similar spellings: su thi ky tang xa hoi. hieu ve ((cam duc) or (pham duc)) van tuan tai ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su thi ky tang xa hoi. hieu ve ((cam duc) OR (pham duc)) van tuan tai ((cua te) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su thi ky tang xa hoi. hieu ve ((cam duc) or (pham duc)) van tuan tai ((cua te) or (cuu tre))*.