Perhaps you should try some spelling variations:
loai chat » lai chau, hoa chat, lam chat
thien va » thien van, tien va, thien tai
lai chat » lai chau, lam chat, li chat
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang co » nang cao, nang doc, nang noi
va cham » va chat, va tham
co hoi » co hoc, co loi
xuc va » tuc va, luc va, xac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang co hoi. thien va cham ((xuc va) or (duc va)) hanh ((lai chat) OR (loai chat)) thom~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang co hoi. thien va cham ((xuc va) OR (duc va)) hanh ((lai chat) OR (loai chat)) thom*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang co hoi. thien va cham ((xuc va) or (duc va)) hanh ((lai chat) OR (loai chat)) thom*".