Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
ban thanh » ban hanh, ban hang
phan cua » nhan cua, than cua, phat cua
hieu va » lieu va, hieu qua
duc ban » duc tan, duc van, dua ban
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
va cam » va cham, va cac, va cao
su cac » tu cac, su cao, su can
su sac » su sach, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) or (su cac)) ((ky tang) or (ky dang)) xa hoi. hieu va cam duc ban thanh phan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su cac)) ((ky tang) OR (ky dang)) xa hoi. hieu va cam duc ban thanh phan cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su cac)) ((ky tang) or (ky dang)) xa hoi. hieu va cam duc ban thanh phan cua tre*.