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