Perhaps you should try some spelling variations:
vien cua » viec cua, dien cua, tien cua
va nhan » van nhan, ca nhan, va phan
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach ty, sach kem
va cao » va cac, va co, va dao
suc va » duc va, tuc va, luc va
ve cao » ve bao, ve cac, ve co
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 y)) nang xa hoi. hieu ((ve cao) OR (va 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 y)) nang xa hoi. hieu ((ve cao) OR (va 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 y)) nang xa hoi. hieu ((ve cao) OR (va cao)) suc va nhan vien cua te".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) or (sach y)) nang xa hoi. hieu ((ve cao) OR (va cao)) suc va nhan vien cua te*.