Perhaps you should try some spelling variations:
sach thue » sach thieu, sach tham, cach thuc
sach thu » sach thieu, sach tham, cach thuc
hanh tri » thanh tri, hanh tai, hanh trinh
cham luc » cham soc, nhan luc, cham cuu
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
va cham » va chat, va tham
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua cu, cua te
cua su » qua su
x hoi » xa hoi, o hoi, x ho

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 thu) or (sach thue)) nang x hoi. hieu va cham luc va hanh tri ((cua tu) OR (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach thu) OR (sach thue)) nang x hoi. hieu va cham luc va hanh tri ((cua tu) OR (cua su)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thu) or (sach thue)) nang x hoi. hieu va cham luc va hanh tri ((cua tu) OR (cua su))".
• Adding a wildcard symbol may retrieve word variants: te ((sach thu) or (sach thue)) nang x hoi. hieu va cham luc va hanh tri ((cua tu) OR (cua su))*.