Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
nhan luc » nang luc
van hanh » van thanh, ban hanh, van anh
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
ve nhan » ve nha, de nhan, va nhan
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va dan » ca dan, va dao, va dau
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang mai hoi. hieu ve nhan luc ((van hanh) OR (va dan)) dai cua te~.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang mai hoi. hieu ve nhan luc ((van hanh) or (va dan)) dai cua te*.