Perhaps you should try some spelling variations:
nhan tien » nhan vien, nhan dien, phan tien
tien cua » trien cua, tiep cua, dien cua
van nhan » van phan, van thanh, danh nhan
thu sac » thu sach, thu san, thu xac
mang xa » lang xa, mang may, dang xay
luc van » luoc van, luu van, duc van
va cao » va cac, va co, va dao
ve cao » ve bao, ve cac, ve co
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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 ((mang xa) or (nang x)) hoi. hieu ((ve cao) or (va cao)) luc van nhan tien cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky ((mang xa) OR (nang x)) hoi. hieu ((ve cao) OR (va cao)) luc van nhan tien cua tu.
• Adding a wildcard symbol may retrieve word variants: thu sac ky ((mang xa) or (nang x)) hoi. hieu ((ve cao) or (va cao)) luc van nhan tien cua tu*.