Perhaps you should try some spelling variations:
thanh lam » thanh lap, hanh lam, thanh nam
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
vu sach » vu bach, su sach, vu khach
lang xa » lang ha, dang xay, lang van
cac cuc » cac cuoc, cac cach, cac quoc
cac cua » cach cua, cac qua, ca cua
lam cua » nam cua, lam chat
y lang » o lang, _ lang, tay lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y lang xa hoi. hieu qua ((((cac cuc) OR (cac cua))) or (cac nuoc)) ban thanh lam cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y lang xa hoi. hieu qua ((((cac cuc) OR (cac cua))) OR (cac nuoc)) ban thanh lam cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y lang xa hoi. hieu qua ((((cac cuc) OR (cac cua))) or (cac nuoc)) ban thanh lam cua triet".
• Adding a wildcard symbol may retrieve word variants: vu sach y lang xa hoi. hieu qua ((((cac cuc) OR (cac cua))) or (cac nuoc)) ban thanh lam cua triet*.