Perhaps you should try some spelling variations:
ve triet » va trien
su triet » su viet, su tien
anh hanh » anh thanh, xanh hanh, anh anh
hanh va » hang va, hanh vi
cac duc » cac du, cao duc, cac dac
sach ky » sac ky, sach y, sach kem
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac

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)) nang xa hoi. hieu ve cac duc anh hanh va ((su triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang xa hoi. hieu ve cac duc anh hanh va ((su triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) nang xa hoi. hieu ve cac duc anh hanh va ((su triet) or (ve triet))*.