Perhaps you should try some spelling variations:
va hanh » van hanh, va thanh, va danh
sach tu » sach thu, sach ty, sach uu
cach tu » cach thuc
hanh x » hanh xu, hanh _, hanh y
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 tu) OR (cach tu)) hanh x hoi. hieu ((ve cac) or (va cam)) duc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tu) OR (cach tu)) hanh x hoi. hieu ((ve cac) OR (va cam)) duc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tu) OR (cach tu)) hanh x hoi. hieu ((ve cac) or (va cam)) duc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tu) OR (cach tu)) hanh x hoi. hieu ((ve cac) or (va cam)) duc va hanh vi cua te*.