Perhaps you should try some spelling variations:
dang xay » dang van, van xay
cham luc » cham soc, nhan luc, cham cuu
sach vay » sach va, sach hay, sach nay
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
lang xa » lang ha, lang van
luc va » duc va, tuc va, loc va
va hoc » van hoc
hoc vi » hoc va, hoc viet
vi cua » vai cua, di cua
cua te » cua tu

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 vay) or (sach y)) ((lang xa) OR (dang xay)) hoi. hieu vu cham luc va hoc vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach vay) OR (sach y)) ((lang xa) OR (dang xay)) hoi. hieu vu cham luc va hoc vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach vay) or (sach y)) ((lang xa) OR (dang xay)) hoi. hieu vu cham luc va hoc vi cua te*".