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
tai cua » thai cua, tai cuc, tri cua
han tai » hang tai, nhan tai, van tai
va cham » va chat, va tham
hieu va » lieu va, hieu qua
cua tuc » cua duc, cua tu, cua thuoc
luc va » duc va, tuc va, loc va
va han » va phan, van han, va hanh
5 hoi » o hoi

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)) ((5 hoi) or (x ho)). hieu va cham luc va han tai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu nang) OR (thi nang)) ((5 hoi) OR (x ho)). hieu va cham luc va han tai cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thu nang) OR (thi nang)) ((5 hoi) or (x ho)). hieu va cham luc va han tai cua tuc".
• Adding a wildcard symbol may retrieve word variants: te sach ((thu nang) OR (thi nang)) ((5 hoi) or (x ho)). hieu va cham luc va han tai cua tuc*.