Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
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: thu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cac ((tuc xa) or (duc va)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cac ((tuc xa) OR (duc va)) hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cac ((tuc xa) or (duc va)) hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) OR (sac ky)) nang xa hoi. hieu ve cac ((tuc xa) or (duc va)) hanh vai cua te*.