Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
cau tren » cu tren, dau tren, ca tren
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
vai cau » va cau, van cau, vai 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 sach) OR (thu sach)) ky nang xa hoi. hieu van cam xuc ban thanh vai cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (thu sach)) ky nang xa hoi. hieu van cam xuc ban thanh vai cau tren".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (thu sach)) ky nang xa hoi. hieu van cam xuc ban thanh vai cau tren*.