Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
cuon sach » duong sach, cuoc cach, nuoc sach
cau tren » cu tren, dau tren, ca tren
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cham xuc » chat xuc, cham soc, pham duc
ty nang » ky nang, ty xang, ty hang
van cau » van dau, van hau, van chat
co sach » bo sach, hoc sach
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: ((co sach) OR (cuon sach)) ty nang x hoi. hieu van ((cham xuc) or (cam xuc)) va thanh van cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co sach) OR (cuon sach)) ty nang x hoi. hieu van ((cham xuc) OR (cam xuc)) va thanh van cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((co sach) OR (cuon sach)) ty nang x hoi. hieu van ((cham xuc) or (cam xuc)) va thanh van cau tren".
• Adding a wildcard symbol may retrieve word variants: ((co sach) OR (cuon sach)) ty nang x hoi. hieu van ((cham xuc) or (cam xuc)) va thanh van cau tren*.