Perhaps you should try some spelling variations:
vien cua » viec cua, dien cua, bien cua
tien cua » trien cua, tiep cua, dien cua
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
sac ky » cac ky, sai ky
ve cao » va cao, ve bao, ve cac
luc va » duc va, tuc va
loc va » hoc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky nang xa hoi. hieu ve cao ((luc va) OR (loc va)) nhan ((vien cua) or (tien cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang xa hoi. hieu ve cao ((luc va) OR (loc va)) nhan ((vien cua) OR (tien cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac ky nang xa hoi. hieu ve cao ((luc va) OR (loc va)) nhan ((vien cua) or (tien cua)) te".
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang xa hoi. hieu ve cao ((luc va) OR (loc va)) nhan ((vien cua) or (tien cua)) te*.