Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
dieu hien » dieu khien, dieu kien, bieu hien
hien cac » thien cac, vien cac, hieu cac
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hai cua » thai cua, dai cua, hoi cua
vai cua » dai cua, lai cua, bai cua
va hanh » van hanh, va thanh, va danh
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
cac lo » cac lop, cac co, cac bo

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky lang xa hoi. dieu hien cac lo ((va hanh) or (ban thanh)) ((vai cua) or (hai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky lang xa hoi. dieu hien cac lo ((va hanh) OR (ban thanh)) ((vai cua) OR (hai cua)) te.
• Adding a wildcard symbol may retrieve word variants: vu sac ky lang xa hoi. dieu hien cac lo ((va hanh) or (ban thanh)) ((vai cua) or (hai cua)) te*.