Perhaps you should try some spelling variations:
vien cua » viec cua, dien cua, tien cua
sach ky » sac ky, sach y, sach ty
va nhan » van nhan, ca nhan, va phan
cao suc » cao su, cao duc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cach tu » cach thuc
sach tu » sach thu, sach ty, sach uu
ve cao » va cao, ve bao, ve cac
suc va » duc va, tuc va, luc va
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: thu ((sach ky) or (((sach tu) OR (cach tu)))) nang xa hoi. hieu ve cao suc va nhan vien cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (((sach tu) OR (cach tu)))) nang xa hoi. hieu ve cao suc va nhan vien cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) or (((sach tu) OR (cach tu)))) nang xa hoi. hieu ve cao suc va nhan vien cua te".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) or (((sach tu) OR (cach tu)))) nang xa hoi. hieu ve cao suc va nhan vien cua te*.