Perhaps you should try some spelling variations:
hien hanh » dieu hanh
hieu hien » bieu hien, dieu hien, chieu chien
hanh nuoc » hanh duoc, hanh thuoc, khanh quoc
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
danh vi » dinh vi, danh di, danh 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: so sach ty hang xa hoi. hieu hien hanh nuoc va ((danh vi) or (hanh vi)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty hang xa hoi. hieu hien hanh nuoc va ((danh vi) OR (hanh vi)) cua tu*.