Perhaps you should try some spelling variations:
thanh xuc » thanh xuan, thanh huy, hanh xu
cau tren » cu tren, dau tren, ca tren
danh vai » danh sai, danh va, doanh van
hieu van » thien van, lieu va, hieu ve
ty hang » ly hang, ty xang, thi hang
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
ty nang » ky nang, ty xang, ly nang
vai cau » va cau, van cau, vai cac
tu sach » thu sach, su sach, te sach
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ty nang) OR (ty hang)) x hoi. ((hieu van) or (hieu va)) thanh xuc va danh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty hang)) x hoi. ((hieu van) OR (hieu va)) thanh xuc va danh vai cau tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ty hang)) x hoi. ((hieu van) or (hieu va)) thanh xuc va danh vai cau tren*".