Perhaps you should try some spelling variations:
cac luc » cau luc, coc luc, cac nuoc
va danh » va dan, va hanh, dia danh
cho cua » co cua, chi cua, cho ca
va dinh » van dinh, va kinh, va tinh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
sac ky » cac ky
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sai ky) OR (sac ky)) nang xa hoi. hieu va cac luc ((va danh) or (va dinh)) cho cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sai ky) OR (sac ky)) nang xa hoi. hieu va cac luc ((va danh) OR (va dinh)) cho cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sai ky) OR (sac ky)) nang xa hoi. hieu va cac luc ((va danh) or (va dinh)) cho cua cu".
• Adding a wildcard symbol may retrieve word variants: tu ((sai ky) OR (sac ky)) nang xa hoi. hieu va cac luc ((va danh) or (va dinh)) cho cua cu*.