Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
cham duc » cham soc, pham duy, phan duc
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
sac ky » cac ky, sai ky
ve cua » le cua, de cua, te cua
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: su ((sach ky) OR (sac ky)) lang xa hoi. hieu ve ((cham duc) or (pham duc)) gia thanh ve cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) lang xa hoi. hieu ve ((cham duc) OR (pham duc)) gia thanh ve cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) OR (sac ky)) lang xa hoi. hieu ve ((cham duc) or (pham duc)) gia thanh ve cua te*".