Perhaps you should try some spelling variations:
hieu vien » hieu hien, lieu vien, thieu nien
hieu viec » nhieu viec, hieu ve, sieu viet
gian cua » gian xu, ban cua
nang cho » nang chon, ngang cho, nang cao
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, vuc van
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
cho hoc » co hoc, khoa hoc
tu nang » tru nang, tu nong, tu nano
va cua » va chua, via cua, ca cua

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 tu nang cho hoc. ((hieu vien) OR (hieu viec)) da xuc van anh ((va cua) or (gian cua)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu nang cho hoc. ((hieu vien) OR (hieu viec)) da xuc van anh ((va cua) OR (gian cua)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu nang cho hoc. ((hieu vien) OR (hieu viec)) da xuc van anh ((va cua) or (gian cua)) cau*".