Perhaps you should try some spelling variations:
sach hay » sach han, sach ha, sach nay
hanh vai » hanh vi, hanh va, hanh tai
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
hang xa » hoang xa, hang va, hang ca
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
cua tu » cua tuc, cua su, cua te
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
cua cu » cua chu, cua cau, cua su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sach hay) or (sach ty)) hang xa hoi. hieu ve cac tuc va hanh vai ((cua tu) OR (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sach hay) OR (sach ty)) hang xa hoi. hieu ve cac tuc va hanh vai ((cua tu) OR (cua cu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((sach hay) or (sach ty)) hang xa hoi. hieu ve cac tuc va hanh vai ((cua tu) OR (cua cu))".
• Adding a wildcard symbol may retrieve word variants: thuat ((sach hay) or (sach ty)) hang xa hoi. hieu ve cac tuc va hanh vai ((cua tu) OR (cua cu))*.