Perhaps you should try some spelling variations:
phap tai » pham tai, phap thi, phap tang
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua
cao duc » cao suc, giao duc, tao duoc
dao duc » giao duc, tao duoc
va phap » va phat, ban phap
cuc te » cua te, cuc thue, cuc tieu
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang ((x hoi) or (xa hoi)). hieu va ((cao duc) or (dao duc)) va phap tai cuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((x hoi) OR (xa hoi)). hieu va ((cao duc) OR (dao duc)) va phap tai cuc te.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ((x hoi) or (xa hoi)). hieu va ((cao duc) or (dao duc)) va phap tai cuc te*.