Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
luu van » cuu van, luan van, luu hanh
tai cuu » tai cuc, tai cua, thai cua
ve cac » va cac, vien cac
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: te sach ky nang x hoi. hieu ve cac ((xuc van) or (luu van)) hanh ((tai cuu) OR (tai buu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu ve cac ((xuc van) OR (luu van)) hanh ((tai cuu) OR (tai buu)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. hieu ve cac ((xuc van) or (luu van)) hanh ((tai cuu) OR (tai buu)) tre*".