Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
lang van » dang van, tang van, hoang van
su sach » so sach, vu sach
va hanh » van hanh, va thanh, va danh
vu cham » va cham, vu kham, tu cham
sach ty » sach y, sach tu, sach thu
hieu vu » hieu va, hieu ve, hieu su
lang xa » lang ha, dang xay
cua tuc » cua duc, cua thuoc, luat tuc
soc va » hoc va, loc va, doc va
cua tu » cua su, cua cu, cua te

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