Perhaps you should try some spelling variations:
duc manh » suc manh, duc anh, duc minh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
xuc van » luc van, xuc ban, thuc van
duc van » duc va, duc tan, duc phan
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
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: tu sach ty nang ma hoi. hieu ve cam ((xuc van) or (((duc van) or (duc manh)))) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ma hoi. hieu ve cam ((xuc van) OR (((duc van) OR (duc manh)))) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ma hoi. hieu ve cam ((xuc van) or (((duc van) or (duc manh)))) hanh vi cua tre*.