Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
van cau » van dau, van hau, van chat
sach ky » sac ky, sach y, sach kem
van cac » van hac, van bac, dan cac
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
tac va » tac da, tac xa, tuc 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: vu ((sach ky) or (sach ty)) lang xa hoi. thien ((van cac) OR (van cau)) tac va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach ky) OR (sach ty)) lang xa hoi. thien ((van cac) OR (van cau)) tac va thanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sach ky) or (sach ty)) lang xa hoi. thien ((van cac) OR (van cau)) tac va thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: vu ((sach ky) or (sach ty)) lang xa hoi. thien ((van cac) OR (van cau)) tac va thanh vi cua tre*.