Perhaps you should try some spelling variations:
hien bach » vien bach, thien hach, dien sach
hien hanh » dieu hanh
va thanh » gia thanh, ban thanh, va tinh
nhoa cua » nha cua, khoa cua, nghia cua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hoa cua » hoa chat, hoa xuat
tu van » tu va
xuc va » duc va, tuc va, luc 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 van ky lang xa hoi. hieu ((hien bach) OR (hien hanh)) xuc va thanh ((hoa cua) or (nhoa cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu van ky lang xa hoi. hieu ((hien bach) OR (hien hanh)) xuc va thanh ((hoa cua) OR (nhoa cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu van ky lang xa hoi. hieu ((hien bach) OR (hien hanh)) xuc va thanh ((hoa cua) or (nhoa cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu van ky lang xa hoi. hieu ((hien bach) OR (hien hanh)) xuc va thanh ((hoa cua) or (nhoa cua)) tre*.