Perhaps you should try some spelling variations:
thanh viec » thanh liem, thanh nien, thanh vinh
thanh vien » nhan vien, thanh van
sach thu » sach thue, sach thieu, sach tham
thu dang » thu hang, thu bang, thu dong
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
hoa hoi » khoa hoi, hoa hoc, hoa doi
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
ha hoi » ha noi, xa hoi, va hoi
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thu dang ((ha hoi) or (hoa hoi)). hieu ve cam xuc va ((thanh viec) OR (thanh vien)) cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thu dang ((ha hoi) OR (hoa hoi)). hieu ve cam xuc va ((thanh viec) OR (thanh vien)) cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach thu dang ((ha hoi) or (hoa hoi)). hieu ve cam xuc va ((thanh viec) OR (thanh vien)) cua cu".
• Adding a wildcard symbol may retrieve word variants: so sach thu dang ((ha hoi) or (hoa hoi)). hieu ve cam xuc va ((thanh viec) OR (thanh vien)) cua cu*.