Perhaps you should try some spelling variations:
danh bien » danh kien, danh dien, doanh tien
danh lien » danh kien, danh dien, doanh tien
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
la tren » loai tren, dua tren, dat tren
tu van » tu va
ve cam » ve cham, ve cac, va cam
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 ((nang xa) or (nang x)) hoi. hieu ve cam xuc va ((danh bien) OR (danh lien)) la tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu van ky ((nang xa) OR (nang x)) hoi. hieu ve cam xuc va ((danh bien) OR (danh lien)) la tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu van ky ((nang xa) or (nang x)) hoi. hieu ve cam xuc va ((danh bien) OR (danh lien)) la tren".
• Adding a wildcard symbol may retrieve word variants: tu van ky ((nang xa) or (nang x)) hoi. hieu ve cam xuc va ((danh bien) OR (danh lien)) la tren*.