Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
thi van » thi lan, thi hanh, thi nang
bai cua » ban cua, dai cua, bai ca
bai cuu » bai cung
van cau » van dau, van hau, van chat
cau xuc » cam xuc, cau luc, cau truc
nang ma » tang ma, sang ma, nang cao
co sach » bo sach, cuon sach, hoc sach
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
va anh » van anh, va danh, va hanh

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) or (co sach)) ky nang ma hoi. thi van cau xuc va anh ((bai cuu) OR (bai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (co sach)) ky nang ma hoi. thi van cau xuc va anh ((bai cuu) OR (bai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (co sach)) ky nang ma hoi. thi van cau xuc va anh ((bai cuu) OR (bai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (co sach)) ky nang ma hoi. thi van cau xuc va anh ((bai cuu) OR (bai cua)) tre*.