Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, nhan luc
sach thu » sach thue, sach thieu, sach tham
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
sach ty » sach y, sach tu, xach tay
luc va » duc va, tuc va, loc va
cua te » cua tu
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: tu ((sach ty) OR (sach thu)) nang x hoi. hieu ve chat luc va ((hanh vi) or (thanh san)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach thu)) nang x hoi. hieu ve chat luc va ((hanh vi) OR (thanh san)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach thu)) nang x hoi. hieu ve chat luc va ((hanh vi) or (thanh san)) cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach thu)) nang x hoi. hieu ve chat luc va ((hanh vi) or (thanh san)) cua te*.