Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, hieu ve
phan cua » nhan cua, than cua, phat cua
ky tang » ky dang, kho tang, ky trong
cau duc » cao duc, cau luc, chu duc
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
su xac » pu xac, su cac

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

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