Perhaps you should try some spelling variations:
tang hanh » tang thanh, dang hanh, nang hanh
thu sach » tu sach, thuat sach, thuoc sach
nam duoc » nam thuoc, da duoc, dat duoc
sach ly » sach y, sach lo, sach ty
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
cam duc » cao duc, pham duc, lam duoc
ly nang » ky nang, ly hang, ly vang
ma hoi » mai hoi, xa hoi, ma hoa
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 ly nang ma hoi. lieu va ((((cam duc) OR (nam duoc))) or (cam xuc)) tang hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ly nang ma hoi. lieu va ((((cam duc) OR (nam duoc))) OR (cam xuc)) tang hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ly nang ma hoi. lieu va ((((cam duc) OR (nam duoc))) or (cam xuc)) tang hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ly nang ma hoi. lieu va ((((cam duc) OR (nam duoc))) or (cam xuc)) tang hanh vi cua tre*.