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