Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
ban thanh » ban hanh, ban hang
vien cua » viec cua, dien cua, tien cua
nang ma » tang ma, nang cao, mang may
soc ban » hoc ban, coc ban, so ban
ve cham » va cham, ve chat, vu cham
sang ma » tang ma, sang tao, mang may
hieu ve » hieu va, hieu van
sac ky » cac 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: te ((sac ky) or (sai ky)) ((nang ma) OR (sang ma)) hoi. hieu ve cham soc ban thanh vien cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (sai ky)) ((nang ma) OR (sang ma)) hoi. hieu ve cham soc ban thanh vien cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sac ky) or (sai ky)) ((nang ma) OR (sang ma)) hoi. hieu ve cham soc ban thanh vien cua tu".
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) or (sai ky)) ((nang ma) OR (sang ma)) hoi. hieu ve cham soc ban thanh vien cua tu*.