Perhaps you should try some spelling variations:
bieu hien » dieu hien, dieu khien, bien phien
van phung » van phong, van hung, van chuong
hien hanh » dieu hanh
hanh xuc » hanh xu, hanh phuc, hanh duoc
va trinh » van trinh, va tinh, lap trinh
sach ky » sac ky, sach ty, sach kem
van phu » san phu, van phan, van phat
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sach y)) nang x hoi. bieu hien hanh xuc va trinh ((van phu) OR (van phung)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang x hoi. bieu hien hanh xuc va trinh ((van phu) OR (van phung)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach y)) nang x hoi. bieu hien hanh xuc va trinh ((van phu) OR (van phung)) tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) nang x hoi. bieu hien hanh xuc va trinh ((van phu) OR (van phung)) tre*.