Perhaps you should try some spelling variations:
nhan tien » nhan vien, nhan dien, phan tien
vien cac » vien bach, vien dai, vien da
tien cua » trien cua, tiep cua, dien cua
thu san » thuy san, thu ban, phu san
nang xa » lang xa, nang ma, mang xa
va nhan » van nhan, ca nhan, va phan
suc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu
san ky » sang ky, van ky, dan ky
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu san ky ((nang xa) OR (nang x)) hoi. hieu ((va cao) or (vien cac)) suc va nhan tien cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ky ((nang xa) OR (nang x)) hoi. hieu ((va cao) OR (vien cac)) suc va nhan tien cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ky ((nang xa) OR (nang x)) hoi. hieu ((va cao) or (vien cac)) suc va nhan tien cua tu".
• Adding a wildcard symbol may retrieve word variants: thu san ky ((nang xa) OR (nang x)) hoi. hieu ((va cao) or (vien cac)) suc va nhan tien cua tu*.