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

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