Perhaps you should try some spelling variations:
van tuan » van quan, anh tuan
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
sac ky » sai ky
ve cam » ve cham, ve cac, va cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (cac ky)) tang xa hoi. hieu ve cam duc ((van tuan) OR (van ban)) hai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) OR (cac ky)) tang xa hoi. hieu ve cam duc ((van tuan) or (van ban)) hai cua tre~".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) OR (cac ky)) tang xa hoi. hieu ve cam duc ((van tuan) or (van ban)) hai cua tre*.