Perhaps you should try some spelling variations:
thong tien » thong tin, thong dien, thong tieu
thang tien » toan tien, thanh vien, bang tien
thu bang » thu ban, thu hang, chu bang
sach thu » sach thue, sach thieu, sach tham
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
ha hoi » hoa hoi, ha noi, va hoi
cua su » qua su

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

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