Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
tuan thai » xuan thai, tuan khai, tuan tai
viec cac » vien cac, viec cua, viec lam
van tuan » van quan, van ban, anh tuan
thai cua » than cua, tai cuc, tri cua
nang co » nang cao, nang doc, nang noi
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
tu bac » tu ban, tu cac, tu bat
tu san » thu san, tu ban, tu can
co lai » con lai, o lai, co dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bac) or (tu san)) ky nang co lai. hieu viec cac xuc van tuan thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu san)) ky nang co lai. hieu viec cac xuc van tuan thai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu bac) or (tu san)) ky nang co lai. hieu viec cac xuc van tuan thai cua tre*.