Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
hieu van » thien van, lieu va, hieu ve
cua tre » cua te, cuu tre, cua triet
cam duc » cam xuc, cao duc, pham duc
vai cua » dai cua, hai cua, lai cua
nang xa » nang x, lang xa, nang ma
duc ban » duc tan, duc van, dua ban
hieu va » lieu va, hieu qua
tu sac » tu sach, tu cac, tu bac
tu san » thu san, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu san)) ky nang xa hoi. ((hieu van) OR (hieu va)) cam duc ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang xa hoi. ((hieu van) OR (hieu va)) cam duc ban thanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu san)) ky nang xa hoi. ((hieu van) OR (hieu va)) cam duc ban thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky nang xa hoi. ((hieu van) OR (hieu va)) cam duc ban thanh vai cua tre*.