Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
vien cua » viec cua, dien cua, tien cua
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
cao suc » cao su, cao duc
va nhan » van nhan, ca nhan, va phan
ve cao » va cao, ve bao, ve cac
suc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, 5 hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang ((x hoi) or (x ho)). hieu ve cao suc va nhan vien cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang ((x hoi) OR (x ho)). hieu ve cao suc va nhan vien cua tu.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang ((x hoi) or (x ho)). hieu ve cao suc va nhan vien cua tu*.