Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
ban hanh » ban hang
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
luc ban » duc ban, cuc ban, luc bat
luy tre » luyen tre
ve cac » va cac, vien cac
te cao » te bao
vi luy » vi lua, vi luu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ve cac) or (te cao)) ky ((nang cao) or (tang ma)) hoi. hieu va cham luc ban hanh vi luy tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ve cac) OR (te cao)) ky ((nang cao) OR (tang ma)) hoi. hieu va cham luc ban hanh vi luy tre.
• Adding a wildcard symbol may retrieve word variants: ((ve cac) or (te cao)) ky ((nang cao) or (tang ma)) hoi. hieu va cham luc ban hanh vi luy tre*.