Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
truc va » thuc va, thuc vat, trung va
van cua » vang cua, dan cua, nan cua
ban cua » ban quan
ve cac » va cac, vien cac
tuc va » thuc va, tuc xa, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang cao hoi. hieu ve cac ((tuc va) or (truc va)) doanh ((van cua) OR (ban cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang cao hoi. hieu ve cac ((tuc va) OR (truc va)) doanh ((van cua) OR (ban cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang cao hoi. hieu ve cac ((tuc va) or (truc va)) doanh ((van cua) OR (ban cua)) tre*".