Perhaps you should try some spelling variations:
bieu hien » dieu hien, dieu khien, bien phien
hien chao » hien phap, vien cao, dien cho
ban thanh » ban hanh, ban hang
cac khoi » cac thoi, cac khoan, cach thoi
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
vi cua » vai cua
di cua » dai cua, doi cua, de cua
ky va » ly va, ke va, my va

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 va cac khoi. bieu hien chao xu ((va hanh) or (ban thanh)) ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky va cac khoi. bieu hien chao xu ((va hanh) OR (ban thanh)) ((vi cua) OR (di cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky va cac khoi. bieu hien chao xu ((va hanh) or (ban thanh)) ((vi cua) or (di cua)) tre*.