Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
nang xa » nang x, lang xa, nang ma
va hang » van hang, va nang, va lang
cua cua » cua chua, ca cua, cua cha
qua cua » quan cua, quang cua, qua quan
y nang » ky nang, ly nang, v nang
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach y nang xa hoi. hieu ((ve cam) OR (ve cac)) duc va hang ((cua cua) or (qua cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach y nang xa hoi. hieu ((ve cam) OR (ve cac)) duc va hang ((cua cua) OR (qua cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach y nang xa hoi. hieu ((ve cam) OR (ve cac)) duc va hang ((cua cua) or (qua cua)) triet".
• Adding a wildcard symbol may retrieve word variants: vu khach y nang xa hoi. hieu ((ve cam) OR (ve cac)) duc va hang ((cua cua) or (qua cua)) triet*.