Perhaps you should try some spelling variations:
hanh sai » hanh san, hanh tai, danh sai
sai cua » dai cua, hai cua, lai cua
sac van » cac van, san van, sat van
soc van » hoc van, oc van, soc dan
ve chat » va chat, van chat
sach ky » sac ky, sach y, sach kem
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
cua te » cua tu

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 ky) or (sach ty)) lang xa hoi. hieu ve chat ((soc van) OR (sac van)) hanh sai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) lang xa hoi. hieu ve chat ((soc van) OR (sac van)) hanh sai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach ty)) lang xa hoi. hieu ve chat ((soc van) OR (sac van)) hanh sai cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) lang xa hoi. hieu ve chat ((soc van) OR (sac van)) hanh sai cua te*.