Perhaps you should try some spelling variations:
thu nang » thu hang, thu bang, tho nang
thi nang » thi cong, ki nang, thi hanh
cham luc » cham soc, nhan luc, cham cuu
te sach » toc sach
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va phan » van phan, va phat, va phap
tai cua » thai cua, tri cua, dai cua
luc va » duc va, tuc va, loc va
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 nang) or (thi nang)) x hoi. hieu va cham luc va phan ((tai cua) OR (tai cuc)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu nang) OR (thi nang)) x hoi. hieu va cham luc va phan ((tai cua) OR (tai cuc)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thu nang) or (thi nang)) x hoi. hieu va cham luc va phan ((tai cua) OR (tai cuc)) tu".
• Adding a wildcard symbol may retrieve word variants: te sach ((thu nang) or (thi nang)) x hoi. hieu va cham luc va phan ((tai cua) OR (tai cuc)) tu*.