Perhaps you should try some spelling variations:
van chat » cao chat
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
va hanh » van hanh, va thanh, va danh
ve chat » va chat
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, vu cham, ve chim
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
ma hoi » mai hoi, xa hoi, ma hoa
loc va » hoc va, luc va
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 cham) or (((ve chat) or (van chat)))) loc va 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 cham) OR (((ve chat) OR (van chat)))) loc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ma hoi. hieu ((ve cham) or (((ve chat) or (van chat)))) loc va hanh vi cua tre*.