Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
ban hanh » ban hang
sach ky » sac ky, sach y, sach ty
va chua » vua chua, ca chua, va chu
vu sach » vu bach, su sach, vu khach
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
va cua » via cua, ca cua, ma cua

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 ((va cua) OR (va chua)) 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 ((va cua) OR (va chua)) 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 ((va cua) OR (va chua)) tre*".