Perhaps you should try some spelling variations:
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cuu ban » cuu van, cua ban, cuu nang
cuu san » cuu van, cua san, cuu nang
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
ve cac » va cac, vien cac
vi cua » vai cua, di cua

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 y lang xa hoi. hieu ve cac ((cuu ban) OR (cuu san)) danh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y lang xa hoi. hieu ve cac ((cuu ban) OR (cuu san)) danh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach y lang xa hoi. hieu ve cac ((cuu ban) OR (cuu san)) danh vi cua tre*.