Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach thu » sach thue, sach thieu, sach tham
van chat » cao chat
thu nang » thi nang, thu hang, thu bang
van cau » van dau, van hau, toan cau
va danh » va dan, va hanh, dia danh
va dinh » van dinh, va kinh, va tinh
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua
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: thuat sach thu nang x hoi. thien ((van cau) or (van chat)) xuc ((va danh) OR (va dinh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach thu nang x hoi. thien ((van cau) OR (van chat)) xuc ((va danh) OR (va dinh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach thu nang x hoi. thien ((van cau) or (van chat)) xuc ((va danh) OR (va dinh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach thu nang x hoi. thien ((van cau) or (van chat)) xuc ((va danh) OR (va dinh)) vi cua tre*.