Perhaps you should try some spelling variations:
hanh vii » hanh voi, hanh va, hanh noi
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
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 (sac ky)) nang xa hoi. hieu ve cac duc va ((hanh vii) or (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cac duc va ((hanh vii) OR (hanh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang xa hoi. hieu ve cac duc va ((hanh vii) or (hanh vi)) cua te*.