Perhaps you should try some spelling variations:
thanh moi » thanh loi, thanh hoa, thanh hai
ve triet » va trien, su triet
hieu va » lieu va, hieu qua
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
su dai » sau dai, si dai, su tai
su sai » su tai, su hai, su mai

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

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