Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, lieu va
thu sai » thu hai, thu tai, thu san
dua ban » dia ban, cua ban, mua ban
vai cuu » vai cua
qua ban » cua ban, qua quan
cuu tre » cua tre, cau tren, cau treo
sai ky » sac ky
ma hoi » mai hoi, xa hoi, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sai ky nang ((ma hoi) or (ma hoa)). hieu van nam ((dua ban) OR (qua ban)) thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sai ky nang ((ma hoi) OR (ma hoa)). hieu van nam ((dua ban) OR (qua ban)) thanh vai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sai ky nang ((ma hoi) or (ma hoa)). hieu van nam ((dua ban) OR (qua ban)) thanh vai cuu tre*".