Perhaps you should try some spelling variations:
nhan luc » nang luc
lang van » tang van, hoang van, giang van
van nhan » van phan, van thanh, danh nhan
dang van » hoang van, hang va
thi van » thi lan, thi hanh, thi nang
hang vi » hang va, hanh vi, hang di
va hang » van hang, va nang, va lang
sach ty » sach tu, sach thu, xach tay
luc va » duc va, tuc va, loc va
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: toc ((sach ty) or (sach y)) ((lang van) OR (dang van)) hoi. thi van nhan luc va hang vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach y)) ((lang van) OR (dang van)) hoi. thi van nhan luc va hang vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ty) or (sach y)) ((lang van) OR (dang van)) hoi. thi van nhan luc va hang vi cua te".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach y)) ((lang van) OR (dang van)) hoi. thi van nhan luc va hang vi cua te*.