Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
va hanh » van hanh, va thanh, va danh
vu cham » va cham, vu kham, tu cham
sach ty » sach y, sach thu, xach tay
hieu vu » hieu va, hieu ve, hieu su
lang xa » lang ha, dang xay, lang van
sach tu » sach thu, cach tu, sach uu
soc va » hoc va, loc va, doc va

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 ty) or (sach tu)) lang xa hoi. hieu vu cham soc va hanh thai ((cua su) OR (qua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) lang xa hoi. hieu vu cham soc va hanh thai ((cua su) OR (qua su)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach tu)) lang xa hoi. hieu vu cham soc va hanh thai ((cua su) OR (qua su))".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tu)) lang xa hoi. hieu vu cham soc va hanh thai ((cua su) OR (qua su))*.