Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
tu sach » thu sach, su sach, te sach
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
xang xa » lang xa, mang xa, dang xay
luc va » duc va, tuc va, loc va
ang xa » lang xa, mang xa, dang xay

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 ty ((xang xa) OR (ang xa)) hoi. hieu ve cham luc va hanh ((vai cua) or (lai cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((xang xa) OR (ang xa)) hoi. hieu ve cham luc va hanh ((vai cua) OR (lai cua)) tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((xang xa) OR (ang xa)) hoi. hieu ve cham luc va hanh ((vai cua) or (lai cua)) tu*".