Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chat xuc » chat huu, cam xuc, chao xu
van hanh » ban hanh, van anh, van ban
van chat » cao chat
hieu van » hieu va, thien van, lieu va
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
tu sach » thu sach, su sach, te sach
vi su » va su, ki su, oi su
ve su » va 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 ky nang cao hoi. hieu van chat xuc ((van hanh) or (van thanh)) ((vi su) OR (ve su)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang cao hoi. hieu van chat xuc ((van hanh) OR (van thanh)) ((vi su) OR (ve su)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang cao hoi. hieu van chat xuc ((van hanh) or (van thanh)) ((vi su) OR (ve su)) triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang cao hoi. hieu van chat xuc ((van hanh) or (van thanh)) ((vi su) OR (ve su)) triet*.