Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, chat lua
cham cuu » cap cuu, chat cua
va doanh » van doanh, vay doanh, va danh
cau tren » cu tren, dau tren, ca tren
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
tai cau » tai cac, tai cao
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 qua ((cham luc) or (cham cuu)) va doanh tai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu qua ((cham luc) OR (cham cuu)) va doanh tai cau tren.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu qua ((cham luc) or (cham cuu)) va doanh tai cau tren*.