Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, voi doanh
cham luc » cham soc, nhan luc, chat lua
cham cuu » cap cuu, chat cua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
tai cua » thai cua, tai cuc, tri cua
tai cuu » tai cuc, tai buu, thai cua
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 lang xa hoi. hieu va ((cham luc) or (cham cuu)) vay doanh ((tai cuu) OR (tai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu va ((cham luc) OR (cham cuu)) vay doanh ((tai cuu) OR (tai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang xa hoi. hieu va ((cham luc) or (cham cuu)) vay doanh ((tai cuu) OR (tai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu va ((cham luc) or (cham cuu)) vay doanh ((tai cuu) OR (tai cua)) tre*.