Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
tu sach » thu sach, su sach, te sach
lo nang » ho nang, loai nang, cao nang
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan di » danh di, dan da, dan de
di cua » dai cua, doi cua, de cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((lo nang) OR (ly nang)) xa hoi. hieu ve cham luc va dan di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((lo nang) OR (ly nang)) xa hoi. hieu ve cham luc va dan di cua te*".