Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
duc manh » suc manh, duc anh, duc minh
lang xa » lang ha, dang xay, lang van
thi van » thi lan, thi hanh, thi nang
xuc van » duc van, luc van, vuc van
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
sach o » sach lo, sac o, sach y
o lang » hoa lang, hoi lang
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach o lang xa hoi. thi van nam ((((xuc van) OR (xuc ban))) or (duc manh)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach o lang xa hoi. thi van nam ((((xuc van) OR (xuc ban))) OR (duc manh)) hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach o lang xa hoi. thi van nam ((((xuc van) OR (xuc ban))) or (duc manh)) hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach o lang xa hoi. thi van nam ((((xuc van) OR (xuc ban))) or (duc manh)) hanh vi cua tre*.