Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
tang ma » mang may, tang van
va hanh » van hanh, va thanh, va danh
lang xa » lang ha, dang xay, lang van
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
sac ky » cac ky
cua te » cua tu

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

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