Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien sach » dien sach, kien sach, thien hach
trong san » trong cac, cong san, dong san
cao dung » cao dang, cao dong, cao ung
dan dung » van dung, tin dung, ap dung
san phu » san pham
phu cap » pho cap, phu can, phuc cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - thanh tung ((cao dung) or (dan dung)) trong san phu cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - thanh tung ((cao dung) OR (dan dung)) trong san phu cap.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - thanh tung ((cao dung) or (dan dung)) trong san phu cap*.