Perhaps you should try some spelling variations:
dieu hien » dieu khien, bieu hien, dien bien
dieu kien » dieu khien, dien bien
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, ban hanh
hanh va » hang va, hanh vi
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
cam ly » tam ly, cam ky, cam lo
va cua » va chua, via cua, ca cua
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: su sac ky nang xa hoi. ((dieu hien) OR (dieu kien)) cam ly va hanh va cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang xa hoi. ((dieu hien) OR (dieu kien)) cam ly va hanh va cua tu".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. ((dieu hien) OR (dieu kien)) cam ly va hanh va cua tu*.