Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su triet » su viet, su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
ban hanh » ban hang
hoc sach » hoc sinh, hoc cac, hoc anh
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
v nang » va nang, vu nang, van nang
vi su » va su, ve su, ki su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (hoc sach)) v nang xa hoi. hieu va cham xuc ((van thanh) or (ban hanh)) vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (hoc sach)) v nang xa hoi. hieu va cham xuc ((van thanh) OR (ban hanh)) vi su triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (hoc sach)) v nang xa hoi. hieu va cham xuc ((van thanh) or (ban hanh)) vi su triet*.