Perhaps you should try some spelling variations:
sach tham » sach nha
tham nang » nham nang, tham lang, tham nhung
toc sach » hoc sach, doc sach, thuoc sach
cham luc » cham soc, cham cuu, chat lua
nhan luc » nang luc
vai cua » hai cua, lai cua, bai cua
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: toc sach tham nang x hoi. hieu qua ((cham luc) OR (nhan luc)) gia thanh ((vai cua) or (dai cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tham nang x hoi. hieu qua ((cham luc) OR (nhan luc)) gia thanh ((vai cua) OR (dai cua)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach tham nang x hoi. hieu qua ((cham luc) OR (nhan luc)) gia thanh ((vai cua) or (dai cua)) tu".
• Adding a wildcard symbol may retrieve word variants: toc sach tham nang x hoi. hieu qua ((cham luc) OR (nhan luc)) gia thanh ((vai cua) or (dai cua)) tu*.