Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
ban hang » ngan hang
vu sach » vu bach, su sach, vu khach
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
cam cuc » cam xuc, cham cuu, pham cuc
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh

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 ky dang xa hoi. hieu ve ((cam cuc) or (pham chuc)) ((ban hanh) OR (ban hang)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky dang xa hoi. hieu ve ((cam cuc) OR (pham chuc)) ((ban hanh) OR (ban hang)) vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky dang xa hoi. hieu ve ((cam cuc) or (pham chuc)) ((ban hanh) OR (ban hang)) vai cua tre*".