Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
kho tang » cao tang
tang xa » trang xa, tang ma, lang xa
duc ban » duc tan, duc van, dua ban
sac kho » suc khoe, cac khoi, dac khoa
va cam » va cham, va cac, va cao
su sac » su sach, su cac, su xac
ve cam » ve cham, ve cai, ve cau
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac kho tang xa hoi. hieu ((((ve cam) or (ve cac))) or (va cam)) duc ban thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac kho tang xa hoi. hieu ((((ve cam) OR (ve cac))) OR (va cam)) duc ban thanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac kho tang xa hoi. hieu ((((ve cam) or (ve cac))) or (va cam)) duc ban thanh dai cua triet*.