Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
sach tu » sach thu, cach tu, sach ty
sach uu » sach luu, sach xu, sach dau
lang xa » lang ha, dang xay, lang van
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
soc va » hoc va, loc va, doc va
cua tu » cua tuc, cua su, cua cu

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 tu) or (sach uu)) lang xa hoi. hieu vu cham soc va hanh tai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tu) OR (sach uu)) lang xa hoi. hieu vu cham soc va hanh tai cua tu.
• Adding a wildcard symbol may retrieve word variants: tu ((sach tu) or (sach uu)) lang xa hoi. hieu vu cham soc va hanh tai cua tu*.