Perhaps you should try some spelling variations:
danh kien » dinh kien, danh viet, linh kien
dua tren » dung tren
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
ca tren » cau tren, cu tren, la tren
cu van » cuu van, chu van, cau van
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: cu van ky ((nang xa) or (nang x)) hoi. hieu ve cam xuc va danh kien ((ca tren) or (dua tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cu van ky ((nang xa) OR (nang x)) hoi. hieu ve cam xuc va danh kien ((ca tren) OR (dua tren)).
• Adding a wildcard symbol may retrieve word variants: cu van ky ((nang xa) or (nang x)) hoi. hieu ve cam xuc va danh kien ((ca tren) or (dua tren))*.