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
han tai » hang tai, nhan tai, van tai
tai cua » thai cua, tai cuc, tri cua
luc va » duc va, tuc va, loc va
va han » va phan, van han, va hanh
cua tu » cua tuc, cua su, cua cu
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 han tai cua 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 han tai cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach ((thu nang) OR (thi nang)) x hoi. hieu va cham luc va han tai cua tu*.