Perhaps you should try some spelling variations:
hoang van » hang va
hieu viec » nhieu viec, hieu ve, sieu viet
dieu cua » dieu tra
truc may » tren may, truc va
lam truc » lam truoc, nam truc, lam thuoc
viec lam » viec va
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
de cua » le cua, te 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 ky ((lang xa) or (hoang van)) hoi. hieu viec lam truc may tinh ((de cua) or (dieu cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((lang xa) OR (hoang van)) hoi. hieu viec lam truc may tinh ((de cua) OR (dieu cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((lang xa) or (hoang van)) hoi. hieu viec lam truc may tinh ((de cua) or (dieu cua)) tre*.