Perhaps you should try some spelling variations:
luat tri » luat thi, luat thai, quan tri
doan thi » dan thi, doanh tai, hoang thi
te sach » toc sach
doan vi » doan va, don vi, doan van
hieu ve » hieu va, hieu van
cac luc » cau luc, coc luc, cac nuoc
luy tre » luyen tre
luc va » duc va, tuc va, loc va
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
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 y nang x hoi. hieu ve cac luc va ((doan vi) OR (doan thi)) ((luat tri) or (luy tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ve cac luc va ((doan vi) OR (doan thi)) ((luat tri) OR (luy tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. hieu ve cac luc va ((doan vi) OR (doan thi)) ((luat tri) or (luy tre))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ve cac luc va ((doan vi) OR (doan thi)) ((luat tri) or (luy tre))*.