Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
cac tren » ca tren, cau tren, rac tren
cham xuc » cam xuc, chat xuc, chao xu
vai cac » va cac, tai cac, voi cac
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
thi van » thi lan, thi hanh, thi nang
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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 ky nang o hoi. thi van ((((cham xuc) OR (pham duc))) or (cham soc)) van thanh vai cac tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang o hoi. thi van ((((cham xuc) OR (pham duc))) OR (cham soc)) van thanh vai cac tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang o hoi. thi van ((((cham xuc) OR (pham duc))) or (cham soc)) van thanh vai cac tren*".